baber/WOPTO huggingface dataset:
Patent WO-2019187897-A1 (WO)
Inventor: TERAOKA HIRONOBU
IPC: F24F1/0025
Filed: 2019-02-26
Abstract: L'invention concerne une unité intérieure d'un climatiseur, comprenant : un corps d'unité intérieure, présentant une ouverture d'admission et une ouverture d'évacuation ; un échangeur de chaleur ; et un ventilateur à flux transversal, conçu pour évacuer, à partir de l'ouverture d'évacuation, de l'air soumis à un échange de chaleur par l'échangeur de chaleur. Une voie d'écoulement d'évacuation, qui est conçue pour que sa surface de section transversale s'élargisse en forme d'éventail, et qui guide l'air d'évacuation vers l'ouverture d'évacuation, est formée à l'intérieur du ventilateur à écoulement transversal. Le diamètre externe D d'une roue du ventilateur à flux transversal est supérieur ou égal à 126 mm et inférieur à 150 mm. Un rapport (H/D) de la hauteur H du corps d'unité intérieure par rapport au diamètre extérieur D est supérieur ou égal à 1,6 et inférieur à 2,2. Au moins une partie de la voie d'écoulement d'évacuation est conçue de façon à faire saillie à partir de l'ouverture d'évacuation, au moins pendant l'opération de climatisation.
Patent WO-2020194719-A1 (WO)
Inventor: YOSHIDA YUKIO
IPC: G02F1/1335
Filed: 2019-03-28
Abstract: 液晶表示装置（１０）は、集光型のバックライト（１）と、バックライト（１）からの光が入射する第１直線偏光子（２１）およびその光が出射する第２直線偏光子（２３）を有する液晶パネル（２）と、第２直線偏光子（２３）と対向する光散乱膜（３）と、光散乱膜（３）と対向する第３直線偏光子（４）とを備え、光散乱膜（３）は、有機高分子化合物（３２）および有機高分子化合物（３２）に含有された光散乱粒子（３１）を含む機能層（３０）を備え、第３直線偏光子（４）は、第２直線偏光子（２３）の偏光軸の向きと同じ向きの偏光軸を有している。
Patent WO-2019194292-A1 (WO)
Inventor: AOKI TOKIHIKO
IPC: C03C3/087
Filed: 2019-04-04
Abstract: L'invention concerne un verre feuilleté pour véhicules qui présente des propriétés de protection thermique exceptionnelles et peut maintenir un facteur de transmission de lumière visible élevé même dans des conditions d'utilisation à long terme. L'invention concerne un verre feuilleté comprenant une paire de plaques de verre et un film intermédiaire pris en sandwich entre la paire de plaques de verre, le verre feuilleté pour véhicules étant caractérisé en ce que : la teneur en CeO 2  dans une pièce de verre feuilleté mesurant 1 cm 2  qui a été découpée à partir du verre feuilleté est inférieure ou égale à 0,4 mg, la teneur totale en fer en termes de Fe 2 O 3  est de 6,0 à 10,0 mg, et le film intermédiaire est composé d'un film de résine contenant des particules fines d'oxyde d'indium dopé à l'étain ayant une taille moyenne de particules inférieure ou égale à 0,1 µm.
Patent WO-2019208268-A1 (WO)
Inventor: NAGAI KUNIYOSHI
IPC: G06F3/0483
Filed: 2019-04-12
Abstract: 本発明の装置は、逆向きのテキストもしくは画像、または、反転したテキストもしくは画像、または、反転した逆向きのテキストもしくは画像をフラッシュ表示させる手段を備える。一実施形態では、本発明の装置は、ユーザに本読みトレーニングさせる手段をさらに備え得る。一実施形態では、ユーザに本読みトレーニングさせる手段は、本のページを表示させる手段と、本のページ上にマーカを表示させる手段と、所定の時間間隔で、マーカの表示位置を変化させる手段とを含み得る。
Patent WO-2019216166-A1 (WO)
Inventor: HASHIMOTO HIROSHI
IPC: G05G5/03
Filed: 2019-04-19
Abstract: 力覚付与型操作装置は、中立位置戻し部を備え、中立位置戻し部は、第１の内側磁極部対の間において径方向における励磁コイルの外側に配置された第１永久磁石であって径方向外側を向くＮ極及び径方向内側を向くＳ極を有するものと、第１の内側磁極部対から周方向に離れた第２の内側磁極部対の間において径方向における励磁コイルの外側に配置された第２永久磁石であって径方向内側を向くＮ極及び径方向外側を向くＳ極を有し、操作レバーが回動操作を受けて回転部が中立位置から回動したときに戻し力を発生させる磁気吸引力が第１及び第２永久磁石と外側磁極部との間に生じるような磁気回路を当該第２永久磁石と第１永久磁石との間に形成するものとを含む。
Patent WO-2019208504-A1 (WO)
Inventor: CHEN XIAOLEI
IPC: B32B15/04
Filed: 2019-04-22
Abstract: 本発明の一態様は、基体（１０）と、前記基体（１０）上に形成された金属層（１２）とを備え、前記金属層（１２）は、少なくとも一部において互いに不連続の状態にある複数の部分（１２ａ）を含み、前記金属層（１２）の算術平均表面粗さＲａが１２ｎｍ以下である電磁波透過性金属光沢物品（１）に関する。本発明の他の態様は、基体上に形成された金属薄膜であって、前記金属薄膜は、１５ｎｍ～１００ｎｍの厚さを有し、少なくとも一部において互いに不連続の状態にある複数の島状部分を含み、前記金属薄膜の算術平均表面粗さＲａが１２ｎｍ以下である金属薄膜に関する。
Patent WO-2019239727-A1 (WO)
Title: Substrate processing method and substrate processing device
Inventor: FUJITA KAZUHIRO
IPC: H01L21/304
Filed: 2019-04-23
Abstract: In this substrate processing device, there are performed: a step in which an oxidizing liquid (82) that causes an upper surface (91) of a substrate (9) to oxidize is discharged from a nozzle toward the substrate (9), which rotates, whereby the oxidizing liquid (82) is supplied to the peripheral edge part (93) of the upper surface (91); and a step in which an etching liquid (81) that etches the upper surface (91) is discharged from the nozzle toward the rotating substrate (9), whereby the etching liquid (81) is supplied to a treatment region (95) positioned on the inner side of the peripheral edge part (93), on the upper surface (91). This makes it possible to suitably etch the processing region (95) in the upper surface (91) while protecting the peripheral edge part (93) using the oxidizing liquid (82).
Patent WO-2019212018-A1 (WO)
Title: Intraocular surgery instrument holder
Inventor: TADANO KOTARO
IPC: A61F9/007
Filed: 2019-04-24
Abstract: An intraocular surgery instrument holder (1) is provided which can minimize the risk of injuring the eyeball with an intraocular surgical instrument due to a malfunction. This intraocular surgery instrument holder (1) is provided with a translational drive unit (2), which is a drive mechanism that is configured to be capable of movement with multiple degrees of freedom, an arm unit (3), which is a passive mechanism that is attached to one end of the arm unit (3) and is configured to be capable of movement with multiple degrees of freedom, and a surgical instrument holding unit (4), which is a passive gimbal mechanism that is linked to one end of the arm unit (3), holds the intraocular surgical instrument, and is configured to be capable of movement with a rotational degree of freedom having as a fixed point the opening of the hole in the eyeball for inserting the intraocular surgical instrument. On the arm unit (3), a brake mechanism for suppressing movement of the arm unit (3) is provided.
Patent WO-2019216319-A1 (WO)
Title: Cutting insert, cutting tool, and method for manufacturing cut workpiece
Inventor: MAO SHOHEI
IPC: B23C5/20
Filed: 2019-05-07
Abstract: A cutting insert according to one aspect is provided with a first surface, a second surface, a first side surface, a second side surface, a first cutting blade, and a second cutting blade. The first side surface has a first inclined surface positioned along the first cutting blade, a second inclined surface positioned along the first inclined surface, a third inclined surface positioned along the second cutting blade, a fourth inclined surface positioned along the third inclined surface, and a planar surface positioned along the second inclined surface and the fourth inclined surface. A second inclination angle of the second inclined surface is less than a first inclination angle of the first inclined surface, and a fourth inclination angle of the fourth inclined surface is greater than a third inclination angle of the third inclined surface.
Patent WO-2019230333-A1 (WO)
Inventor: TAKAKURA HAYATO
IPC: H05K1/02
Filed: 2019-05-10
Abstract: 配線回路基板は、面方向に延びる平面形状を有する接続部と、接続部と連続する湾曲部と、湾曲部と連続する延長部とを備える。接続部は、金属支持層と、金属支持層の厚み方向一方側に配置される絶縁層と、絶縁層の厚み方向一方側に配置され、電子素子と電気的に接続するためのパッド部とを備える。
Patent WO-2019239767-A1 (WO)
Title: Image capturing device
Inventor: MASUDA YOSHIAKI
IPC: H01L23/12
Filed: 2019-05-14
Abstract: This image capturing device is provided with: a photoelectric conversion unit; a protection member provided on a light incident side of the photoelectric conversion unit; a substrate that faces the protection member with the photoelectric conversion unit therebetween, and has a first surface on the photoelectric conversion unit side and a second surface opposite to the first surface; a rewiring layer provided on a selective region of the second surface of the substrate; and a protection resin layer provided on the second surface of the substrate, wherein the second surface of the substrate has: an external terminal connection region exposed from the protection resin layer; and a stress relaxation region exposed from the protection resin layer and disposed at a different position from the external terminal connection region.
Patent WO-2019235154-A1 (WO)
Title: Display device
Inventor: TOMIOKA YASUSHI
IPC: H01L27/32
Filed: 2019-05-15
Abstract: A display device which is provided with: a substrate (10) which comprises a first area (A1) that has a display area, a second area (A2) that has a mounting area, and a third area (A3) that is positioned between the first area and the second area; a first inorganic insulating layer (11) which is provided on the substrate in the first area and the second area; a wiring line (WL) which is formed on the first inorganic insulating layer so as to extend over the first area, the second area and the third area; and a second inorganic insulating layer (171) which is provided on the wiring line. This display device is configured such that the second inorganic insulating layer extends in an area that overlaps with at least the first inorganic insulating layer.
Patent WO-2019225684-A1 (WO)
Title: Electronic component supply body, and electronic component supply reel
Inventor: TAKAMATSU HIROSHI
IPC: H05K13/02
Filed: 2019-05-23
Abstract: Provided is an electronic component supply body in which it is possible to improve extraction performance with respect to electronic components that have both softness and tackiness. This electronic component supply body has: an embossed carrier tape 4 formed in a long shape, the embossed carrier tape 4 being such that a plurality of accommodating recesses 3 individually accommodating electronic components 2 is provided in a surface 4a; and a cover film 5 formed in a long shape, the cover film 5 being layered on the surface 4a of the embossed carrier tape 4 and thereby sealing the accommodating recesses 3. A relief part 20 is formed in an affixing surface 5a of the cover film 5, the affixing surface 5a being affixed to the embossed carrier tape 4.
Patent WO-2020012793-A1 (WO)
Title: Pulse-wave signal analysis device, pulse-wave signal analysis method and computer program
Inventor: MINAMINO TETSUO
IPC: A61B10/00
Filed: 2019-05-24
Abstract: Provided are a pulse-wave signal analysis device and a pulse-wave signal analysis method that allow atrial fibrillation status to be determined accurately through a simple method. This pulse-wave analysis device comprises: a pulse-wave detection unit (104) that detects a pulse-wave signal from the heart-beat of an organism; a spectrum generation unit (108) that performs a Fourier-transform on the pulse-wave signal detected by the pulse-wave detection unit (104) to generate a frequency spectrum; and an atrial fibrillation detection unit (113) that detects the atrial fibrillation status on the basis of the frequency spectrum generated by the spectrum generation unit (108). The spectrum generation unit (108) iteratively calculates the Fourier-transform of the pulse-wave signal in a predetermined frame of time by performing a shift in a 0.005 second to 0.02 second range. In addition, the device further comprises a filter (105) for filtering the pulse-wave signal detected by the pulse-wave detection unit (104), and the spectrum generation unit (108) performs a Fourier-transform on the pulse-wave signal output from the filter (105).
Patent WO-2020240644-A1 (WO)
Title: Optical semiconductor device and method for manufacturing optical semiconductor device
Inventor: NAKAI EIJI
IPC: H01S5/227
Filed: 2019-05-27
Abstract: Provided is an optical semiconductor device which includes: a semiconductor substrate (1); a mesa portion (10) in which a first cladding layer (2), an active layer (3), and a second cladding layer (4) are formed on the semiconductor substrate (1) from the semiconductor substrate (1) side; a high resistance embedded layer (5) which is embedded at both sides of the mesa portion (10); and a contact layer (6) which is formed covering the mesa portion (10) and the high resistance embedded layer (5). The concentration of dopant in the high resistance embedded layer (5) itself in a region of the high resistance embedded layer contacting the mesa portion (10) is 10 18  cm -3  or more, a second cladding layer inter-diffusion region (4B), into which the dopant from the high resistance embedded layer (5) itself has diffused, is formed in a region of the second cladding layer (4) contacting the high resistance embedded layer, and a high resistance embedded layer inter-diffusion region (5B), into which the dopant from the second cladding layer (4) itself has diffused, is formed in a region of the high resistance embedded layer (5) contacting the second cladding layer (4) and a region of the high resistance embedded layer (5) contacting the active layer (3).
Patent WO-2020022011-A1 (WO)
Title: Tactile sensor
Inventor: KITAMURA ATSUSHI
IPC: G01L5/00
Filed: 2019-07-03
Abstract: This tactile sensor is provided with: a support member that has a curved surface; a sensor body that is disposed on the support member; and a buffer member that covers the sensor body and transmits, to the sensor body, a force received from an object upon contact with the object. The sensor body has: an insulating layer; a plurality of first resistance parts that are arranged in parallel to each other on one side of the insulating layer such that the longitudinal direction thereof is oriented along a first direction; a plurality of second resistance parts that are arranged in parallel to each other on the other side of the insulating layer such that the longitudinal direction thereof is oriented along a second direction crossing the first direction; and pairs of electrodes that are provided to respective ends of the first and second resistance parts. The force received from the object is transmitted to the sensor body and, when the first resistance parts and/or the second resistance parts are pressed, the resistance values between the pairs of electrodes of the pressed first resistance parts and/or second resistance parts continuously change in accordance with the magnitude of the pressing force.
Patent WO-2020009204-A1 (WO)
Title: Absorbent article
Inventor: KURODA KENICHIRO
IPC: A61F13/476
Filed: 2019-07-04
Abstract: Provided is an absorbent article that follows a wearer's body and is not at risk of providing a feeling of discomfort, even when the wearer exercises or plays sports. First and second side edge sections (17, 18) of an absorbent article (10) each have a constriction section (30) that extends inward in a horizontal direction (X). The constriction section (30) located in the first side edge section (17) and the constriction section (30) located in the second side edge section (18) are located in a facing manner in the horizontal direction, and an absorbent body (20) has a pair of deformation guidance sections (40) that extend inward in the horizontal direction (X) from both absorbent body side edges (20c, 20d). The deformation guidance sections (40) of the absorbent body (20) are located on imaginary lines (K1-K3) that extend in straight lines from inner ends (34) of the constriction sections (30) toward a vertically dividing center line (P).
Patent WO-2020026883-A1 (WO)
Title: Method for producing hydrocarbon and method for producing biocrude
Inventor: SHIMADA IORI
IPC: C10G11/18
Filed: 2019-07-23
Abstract: Provided are: a method for producing a hydrocarbon whereby the hydrocarbon can be efficiently produced using a biomass while minimizing a loss in a carbon source; and a method for producing a biocrude. A method for producing a biocrude, said method comprising: a mixing step for mixing a biomass with a solvent containing an oxygen-containing aromatic compound to give a mixture; and a solvolysis step for heating the mixture to 190-250 ° C to thereby solvolyze the mixture.
Patent WO-2020027162-A1 (WO)
Inventor: KAMIJO TAKESHI
IPC: G06F3/044
Filed: 2019-07-30
Abstract: The purpose of the present invention is to provide a conductive film that has excellent flexibility while still retaining sufficient transparency and conductivity, as well as a conductive film roll, electronic paper, a touch panel, and a flat panel display using the same. The present invention is a conductive film having a transparent base material and a conductive section comprising a fine metal wire pattern provided on one surface or both surfaces of the transparent base material. The fine metal wire pattern is composed of fine metal wires. Condition (i) or (ii) below is satisfied.
(i) Each of the fine metal wires has voids, and in a cross section of the fine metal wire, said cross section being orthogonal to the direction in which the fine metal wire extends, S Vtotal /S M  is 0.10-0.40 inclusive, where S M  is the cross-sectional area of the fine metal wire, and S Vtotal  is the total void cross-sectional area included in the cross section of the fine metal wire.
(ii) In the cross section of each of the fine metal wires, said cross section being orthogonal to the direction in which the fine metal wire extends, W 0.90 /W 0  is 0.40-0.90 inclusive, where W 0.90  is the width of the fine metal wire at a height of 0.90T from the fine-metal-wire interface on the transparent-base-material side when T is the maximum thickness of the fine metal wire, and W 0  is the width of the fine metal wire at the fine-metal-wire interface.
Patent WO-2021019768-A1 (WO)
Inventor: SHIBUYA NAOHIRO
IPC: F24F11/63
Filed: 2019-08-01
Abstract: This indoor layout estimation device (2) is configured to comprise: a similarity calculation unit (12) that calculates, as an evaluation value of each of a plurality of pixels included in an image output from an infrared camera (1) that is capturing a target area, a similarity between the temporal transition of a pixel value of each of the plurality of pixels and the temporal transition of the outdoor air temperature; and a window area determination unit (13) that determines that among the plurality of pixels included in the image, an area including a pixel, of which the evaluation value calculated by the similarity calculation unit (12) is larger than a first threshold is an area in the image where a window is present.
Patent WO-2021024463-A1 (WO)
Inventor: MUKUNOKI Kaho
IPC: H02J1/00
Filed: 2019-08-08
Abstract: A power conversion device (100): is provided with a voltage-type power converter (20) and a current-type power converter (30) that each convert power between an alternating current and a direct current and controllers (50, 60); and transmits/receives power between alternating currents (10A, 10B) via a DC circuit (40). The controllers (50, 60) adjust the DC voltage at a DC terminal (20a) of the voltage-type converter (20) to a set first voltage value by controlling a semiconductor element in at least one of the voltage-type power converter (20) and the current-type power converter (30) in first startup control for starting up the voltage-type power converter (20) and the current-type power converter (30), thereby controlling a current flowing in the DC circuit (40) to a first current, which is equal to or less than the rated current value of the semiconductor element.
Patent WO-2020045547-A1 (WO)
Title: 線維芽細胞の製造方法及びｇ－ｃｓｆ陽性線維芽細胞集団
Inventor: IWAMIYA TAKAHIRO
IPC: A61K35/33
Filed: 2019-08-29
Abstract: ＣＤ１０６陽性及び／又はＣＤ９０陽性の線維芽細胞を製造する方法を提供する。また、Ｇ－ＣＳＦ陽性の線維芽細胞集団を提供する。　ＣＤ１０６陽性及び／又はＣＤ９０陽性の線維芽細胞を製造する方法であって、線維芽細胞を、ＴＮＦ－α及びＩＬ－４からなる群から選択される１以上の存在下で培養し、ＣＤ１０６陽性及び／又はＣＤ９０陽性の線維芽細胞を増加させるステップ、 を含む、方法。
Patent WO-2020045602-A1 (WO)
Title: 映像生成装置及び映像生成方法
Inventor: SEIKE YASUYUKI
IPC: G08G3/02
Filed: 2019-08-29
Abstract: 映像生成装置（１）は、船舶（４）に設けられるカメラ（３）と、物標に関する物標情報を取得する船舶機器と、カメラ（３）により撮影される撮影映像に、船舶機器により取得される物標情報が表示されたＡＲ映像を生成するＡＲ映像生成部（２０）と、物標をユーザが選択するためのマーカーを、ＡＲ映像における物標の表示箇所に対応して移動するように表示するマーカー表示手段と、船舶機器により取得された物標情報に基づいて、ユーザにより選択されたマーカーに対応する物標のメイン情報を、ＡＲ映像が表示される画面の予め決められた第１スペースに表示するメイン情報表示手段とを備える。
Patent WO-2020059714-A1 (WO)
Inventor: OGATA SATOSHI
IPC: A45D2/48
Filed: 2019-09-17
Abstract: Sans être supérieur à la forme d'outils de maquillage métalliques communs, cet outil de maquillage en résine assure une certaine résistance et peut être actionné de manière similaire à un outil métallique. Cet outil de maquillage (1) est formé à partir d'un matériau de résine ayant un module de Young de 2500 à 40000 N/mm  2 , et au moins le site de contrainte maximale présente un module de section de 5 à 40 mm 3 .
Patent WO-2020059844-A1 (WO)
Inventor: INOUE TATSUYA
IPC: H02J3/38
Filed: 2019-09-20
Abstract: This charging control device 100 for an electricity storage element is equipped with a calculation unit 120 which calculates the current command value of charging current of the electricity storage element 62 in such a manner that a current limit value prescribed by current limiting characteristics is not exceeded, and the current limiting characteristics are such that the current limiting value is constant in a first region in which the voltage of the electricity storage element 62 is at or below a first voltage which is lower than the CV voltage during CV charging, and the current limiting value falls as the voltage increases in a second region in which the voltage of the electricity storage element 62 ranges from the first voltage to the CV voltage. The current limiting characteristics are such that a plurality of the current limiting values in the first region and the current limiting values in the second region are provided according to the temperature of the electricity storage element, with the inclination with which the current limiting value in the second region falls according to the increase in voltage differing between the plurality of current limiting characteristics. The calculation unit 120 calculates the current command value for the second region so as to have a delay with respect to the current limiting value, on the basis of the past current command values and the current limiting value prescribed by current limiting characteristics.
Patent WO-2021059352-A1 (WO)
Title: 表示制御システム、表示方法、及びプログラム
Inventor: IKEDA DAIJIRO
IPC: H04L12/70
Filed: 2019-09-24
Abstract: ユーザの端末にＧＵＩ画面を表示させる表示制御システムであって、前記端末に、選択可能な複数のクラウドを含むネットワーク構成を描いた画面を表示させ、前記端末において、特定のクラウドと当該特定のクラウドに接続させるリソースとが選択された場合に、前記端末に、前記特定のクラウドと前記リソースとの接続についてのパラメータ入力画面を表示させる設定ＧＵＩ部を備える。
Patent WO-2020071211-A1 (WO)
Title: Electric parking brake device
Inventor: USUI KOJI
IPC: F16D65/22
Filed: 2019-09-25
Abstract: This electric parking brake device is provided with a brake cable of which one end is provided with an engaging piece engaged with a parking brake lever, and an electric actuator that has a drive shaft of which one end is linked to the other end of the brake cable and that can cause the drive shaft to reciprocate in an axial direction, wherein an insertion hole (50) is provided in one of a drive shaft (39) and a joint (48) secured to the brake cable, an insertion shaft part (39a) inserted through the insertion hole (50) is coaxially provided to the other of the joint (48) and the drive shaft (39), and an annular engaging member (49) that can be inserted through the insertion hole (50) along with the insertion shaft part (39a) is interposed between the inner periphery of the insertion hole (50) and the outer periphery of the insertion shaft part (39a) so as to link the joint (48) and the drive shaft (39). It is thereby possible to make the work of linking the brake cable and the drive shaft of the electric actuator easier and to increase assemblability.
Patent WO-2020188862-A1 (WO)
Inventor: NOGUCHI MUNETAKA
IPC: H01L21/336
Filed: 2019-09-27
Abstract: This silicon carbide semiconductor device is provided with: an n-type drift layer (20) formed on a semiconductor substrate (10) configured from silicon carbide; a p-type well region (30) which is formed on the surface layer of the drift layer (20); an n-type source region (40) which is formed on the surface layer of the well region (30); a gate insulation film (50) which is formed so as to contact the source region (40), the well region (30) and the drift layer (20); and a gate electrode (60) which is formed on the gate insulation film (50). This silicon carbide semiconductor device contains oxygen in a region of predetermined thickness extending from the interface between the well region (30) and the gate insulation film (50) towards the well region (30).
Patent WO-2020121655-A1 (WO)
Inventor: ISHIHARA Tasuku
IPC: B60Q1/50
Filed: 2019-10-24
Abstract: 車両ボディの表面を表示パネルとして用いる車両ボディ用表示装置は、車両ボディの色が暗色以外であっても、その車両ボディに配置した光源の非発光時における車両外観上の見栄えを向上させるために、車両ボディの表面に配置される、発光状態と非発光状態とが切り替わり可能な光源と、光源よりも車両外側に配置される、通電状態に応じて光の透過率が可変される透過率可変層と、透過率可変層よりも車両外側に配置される、有色半透明な半透明層と、を備える。透過率可変層は、光源の発光時に透過率が上がるようにかつ光源の非発光時に透過率が下がるように通電制御される。