baber/WOPTO huggingface dataset:
Patent WO-2022201525-A1 (WO)
Title: Road inspection system, measurement vehicle, server, road inspection method and program recording medium
Inventor: KOBAYASHI KOSEI
IPC: G08G1/00
Filed: 2021-03-26
Abstract: The present invention reduces the volume of data that is sent from a measurement vehicle, when inspecting a road using the measurement vehicle. A road inspection system comprises: an inspection determination unit that determines, for road segments which are units obtained by dividing a road to be inspected, the necessity of inspection for each of the road segments; a control unit that, based on the necessity of inspection for each road segment, controls measurement of a road surface state by a measurement vehicle capable of measuring the road surface state of the road, or transmission of measurement data obtained from the measurement; and a road surface inspection unit that analyzes the measurement data received from the measurement vehicle and performs inspection.
Patent WO-2022219673-A1 (WO)
Title: Control device, control method, and program
Inventor: SUGANO YUKA
IPC: A24F40/50
Filed: 2021-04-12
Abstract: [Problem] To provide an arrangement capable of ensuring improved usability when the amount of residual electric power is low. [Solution] This control device is for controlling the operation of an inhalation device. The inhalation device is provided with: a power supply unit for storing and supplying electric power; and a generation unit for generating an aerosol from an aerosol source in accordance with operating settings. The control device is provided with an operation control unit that controls changes in the operation settings when the amount of residual electric power in the power supply unit is less than a first threshold value corresponding to consumption power required to perform a specified number of times of a process for generating an aerosol from the aerosol source in accordance with the set operation settings.
Patent WO-2021221038-A1 (WO)
Inventor: YAMABE ATSUMI
IPC: C08K3/013
Filed: 2021-04-27
Abstract: Provided are: a method for producing a dispersion which includes a powder of a tetrafluoroethylene-based polymer and either an inorganic filler or a resin different from the tetrafluoroethylene-based polymer and is excellent in terms of dispersibility; a paste; and a kneaded powder.　The method for producing a dispersion comprises kneading a powder of a tetrafluoroethylene-based polymer, at least one other material selected from the group consisting of inorganic fillers and resins different from the tetrafluoroethylene-based polymer, and a liquid compound to obtain a kneaded mixture and mixing the kneaded mixture with a liquid compound to obtain the dispersion. The paste or kneaded powder is obtained by kneading a powder of a tetrafluoroethylene-based polymer and said other material.
Patent WO-2021221109-A1 (WO)
Inventor: UEMORI TAKASHI
IPC: C12Q1/68
Filed: 2021-04-28
Abstract: Provided is a method for detecting an RNA virus in a biological sample, the method comprising: (1) a step for preparing a sample solution containing a biological sample, a protease, a nucleic acid that does not become a target of nucleic acid amplification, and at least one additive selected from the group consisting of chaotropic reagents and surfactants; (2) a step for preparing a nucleic acid amplification reaction solution containing the sample solution prepared in step (1) and containing a polypeptide having reverse transcriptase activity and DNA polymerase activity or a polypeptide having reverse transcription activity and a polypeptide having DNA polymerase activity; and (3) a step for amplifying a nucleic acid of the RNA virus in the reaction solution prepared in step (2).
Patent WO-2022239059-A1 (WO)
Title: 割り当て装置、割り当て方法、および割り当て記録媒体
Inventor: MIYAZAKI RYOJI
IPC: G06N10/00
Filed: 2021-05-10
Abstract: 割り当て装置８００は、ＬＨＺ方式のコスト関数を表したイジング問題の二値変数を、二値変数の数と二値変数の割り当てを決めるためのパラメータとに応じて、ペガサスグラフ上のノードに割り当てる割り当て手段８０１と、二値変数のノードへの割り当て結果に基づいて、二値変数とノードとの対応関係を示す情報を出力する出力手段８０２とを含み、割り当て手段８０１は、イジング問題のコスト関数で積になる二値変数の組の関係性を表した周期的構造を、ペガサスグラフ上のノードとエッジとにおける周期的構造に反映させ、二値変数をノードに割り当てる。
Patent WO-2021241328-A1 (WO)
Inventor: TOTANI MIKIO
IPC: B31B70/81
Filed: 2021-05-18
Abstract: L'invention concerne la machine de production de sac et le procédé de production de sac qui produisent un sac. Le sac comprend une première section de corps et un premier rabat formé par pliage d'une première feuille, et une seconde section de corps et un second rabat formé par pliage d'une seconde feuille. Les première et seconde sections de corps se font face. Les premier et second rabats sont situés entre les première et seconde sections de corps et se font face. Un bord ouvert est formé par le bord plié de la première feuille et le bord plié de la seconde feuille. Le sac comprend également un accessoire de verrouillage, qui se situe entre les première et seconde sections de corps et s'étend sur la largeur des première et seconde feuilles. Le sac comprend également un adhésif, qui se situe entre le bord ouvert et l'accessoire de verrouillage et entre les premier et second rabats, s'étend sur la largeur des première et seconde feuilles, et lie de manière détachable les premier et second rabats entre eux. En variante, la seconde feuille peut comprendre la seconde section de corps uniquement, sans qu'elle soit pliée.
Patent WO-2021241488-A1 (WO)
Title: Air purification system and protective clothing
Inventor: KIMURA KENJIRO
IPC: A61L9/22
Filed: 2021-05-24
Abstract: An air purification system (1) comprises: a wire electrode (20) with which electromagnetic resonance is generated; an electric field probe (40) that measures the strength of an electric field; and a control unit (70) that controls power supplied to the wire electrode (20). The control unit (70) manipulates the frequency of the power supplied to the wire electrode (20) and the position in which the power is supplied to the wire electrode (20), and performs control to maximize the output value of a signal indicating the electric field strength. Feedback is controlled so that the amount of ozone is always constant, by monitoring the amount of ozone generated and manipulating the amplitude and the modulation of the supplied power, so that ozone for breaking down a virus is generated but harmful nitrogen oxide is not generated as a result of supplying, to gas molecules contained in influent gas, energy that is at least the dissociation energy of oxygen molecules and no greater than the dissociation energy of nitrogen molecules.
Patent WO-2022004286-A1 (WO)
Inventor: OGAWA HIKARU
IPC: C07C41/03
Filed: 2021-06-07
Abstract: L'invention concerne un procédé de fabrication d'une polyglycérine présentant une excellente productivité et des structures ramifiées contrôlées. Un procédé de fabrication d'une polyglycérine selon la présente invention est caractérisé par la réaction d'une (poly)glycérine et d'un (poly)glycidyl éther de (poly)glycérine. Une polyglycérine selon la présente invention est caractérisée en ce qu'elle présente un poids moléculaire moyen en poids de 300 à 25 000 et un degré de ramification de 0,1 à 0,6.
Patent WO-2022259347-A1 (WO)
Inventor: MATSUMURA KOHEI
IPC: H01H73/18
Filed: 2021-06-08
Abstract: La présente invention concerne un coupe-circuit CC avec lequel il est efficace, lors de la coupure, de commuter rapidement un arc généré entre des contacts vers un canal d'arc afin de raccourcir le temps de coupure et d'augmenter la durée de vie du coupe-circuit par la réduction de l'usure des contacts. Cependant, il est difficile d'obtenir une commutation rapide sur toute la plage allant d'une région à faible courant inférieur ou égal à la valeur nominale à une région à courant élevé de court-circuit. Par conséquent, la formation d'un canal d'arc latéral fixe (12) sous une forme qui couvre le voisinage d'un contact fixe (1) permet de commuter un arc à une vitesse élevée de la région à faible courant à la région à courant élevé, et ainsi d'améliorer les performances de coupure.
Patent WO-2021251490-A1 (WO)
Title: Chick production method and chick production system
Inventor: NAMBU KUNIO
IPC: A01K43/00
Filed: 2021-06-11
Abstract: Provided are: a novel chick production method that is different from conventional methods in which all live eggs are stored together on a hatcher tray to allow development into chicks; and a chick production system. This chick production method comprises separating embryonating eggs (E) into a plurality of groups and storing the groups of eggs on hatcher trays (8) on the basis of physical information obtained by measuring the embryonating eggs (E) after storing the eggs on a setter tray (7) and before transferring the eggs to the hatcher trays (8), thereby allowing development into chicks. This chick production system (1) is provided with a measurement unit (2), a selection unit (3), and a storage unit (4), and allows development into chicks on the plurality of hatcher trays (8).
Patent WO-2022004417-A1 (WO)
Title: Management device for power transmission mechanism and management method for power transmission mechanism
Inventor: DEGUCHI KENTA
IPC: G01M99/00
Filed: 2021-06-17
Abstract: A management device for a power transmission mechanism transmitting a driving force from an electric motor to a load-side apparatus, the management device acquires a torque current value of the electric motor per unit process in which the power transmission mechanism is driven, divides the unit process into a plurality of arbitrary sections and classifies the acquired torque current value into a torque current value within the reference value and a torque current value outside the reference value for the torque current value in each section, obtains an average value of each of the torque current value within the reference value and the torque current value outside the reference value for each section, and detects an abnormality of the power transmission mechanism by the torque current value outside the reference value in the section where the difference between the average values becomes larger.
Patent WO-2022004713-A1 (WO)
Inventor: TAKAGI RISA
IPC: A23L2/52
Filed: 2021-06-29
Abstract: L'invention concerne une boisson sans alcool au goût de bière contenant un malt dans ses matières premières. Cette boisson sans alcool au goût de bière contient au moins une sorte de dicétopipérazine choisie dans un groupe constitué d'une cycloleucylproline, d'une cyclovalylproline et d'une cycloisoleucylproline, la concentration en dicétopipérazine contenue le plus abondamment dans la boisson parmi lesdites dicétopipérazines, étant supérieure ou égale à ０,４ｐｐｍ.
Patent WO-2022030505-A1 (WO)
Title: Airbag base fabric, and method for manufacturing airbag base fabric
Inventor: TAKEUCHI HIROYA
IPC: D03D51/00
Filed: 2021-08-03
Abstract: In a woven fabric mounted on a traditional loom, a difference in length can occur in the fabric between the center section and end sections of the woven fabric, and the flare rate increases, and in a scouring/contraction step, the thread contracts and crimping varies, whereby the flare is further enlarged. In the present invention, pushing out is suppressed by using a bar temple provided with a ring function during weaving, and furthermore, the boiling-water shrinkage rate of additional yarn to be inserted is reduced to be lower than that of a base yarn, whereby the shrinkage of the base fabric end sections can be effectively suppressed.
Patent WO-2022059393-A1 (WO)
Title: Power conversion device
Inventor: NOZAKI YOSHIAKI
IPC: H03K17/16
Filed: 2021-08-12
Abstract: In a power conversion device 101 comprising a first switching element 10 connected on a first potential side, a second switching element 20 connected in series to the first switching element 10 on a second potential side, a first resistor 13 connected to a gate of the first switching element 10, and a second resistor 23 connected to a gate of the second switching element 20, it is possible to reduce switching noise due to the resistance of the first resistor 13, the resistance of the second resistor 23, the gate resistance of the first switching element 10, and the gate resistance of the second switching element 20 differing from each other.
Patent WO-2023021581-A1 (WO)
Inventor: ISHIKAWA AKIHIRO
IPC: A61N5/06
Filed: 2021-08-17
Abstract: この光治療計画装置（１００）は、被験者の患部（９０）が見える３次元表面画像（２０）を取得する３次元画像取得部（２ｂ）と、画像空間上において、患部に対して棒状部材（６）を挿入する際の棒状部材の位置を調整する棒状部材位置調整部（２ｄ）と、棒状部材から光が伝搬する光伝搬領域（３１）を取得する光伝搬領域取得部（２ｅ）と、被験者の患部を含む内部形態像と、棒状部材と、光伝搬領域と、を表示する断面画像（５０）を生成する断面画像生成部（２ｆ）と、断面画像を表示させる制御を行う表示制御部（２ｇ）と、を備える。
Patent WO-2023021679-A1 (WO)
Inventor: SATOU YOSHIROU
IPC: H04L29/14
Filed: 2021-08-20
Abstract: [Problem] To provide an optical communication device and a method for controlling the optical communication device that can set a mask corresponding to a combination of optical signal processing units inside of the optical communication device. [Solution] In this optical communication device, the multiple optical signal processing units are provided on one optical path; and on the basis of a mask setting that is set by a specific optical signal processing unit, which is among the multiple optical signal processing units and includes the detection unit that has detected the failure, for a next-stage optical signal processing unit connected to the optical path after the specific optical signal processing unit, the reception unit does not output, to the outside, a failure notification from the detection unit provided in the optical signal processing unit for which the mask setting is set and outputs, to the outside, a failure notification from the detection unit provided in any of the optical signal processing units for which the mask setting is not set.
Patent WO-2022054710-A1 (WO)
Inventor: SAKAKIBARA RENA
IPC: A23L27/20
Filed: 2021-09-03
Abstract: 保存後の青臭さが抑制された酢酸含有飲食品を提供することを課題とし、該課題を、酢酸を0.02w/v％以上含有し、且つ（A1成分）6-メチル-5-ヘプテン-2-オンを0.001ppb以上含有する、酢酸含有飲食品、により解決する。
Patent WO-2022059537-A1 (WO)
Title: Plasma processing device, and semiconductor device manufacturing method
Inventor: KATO TAKAAKI
IPC: H01L21/31
Filed: 2021-09-06
Abstract: Provided is a plasma processing device which generates plasma by means of electromagnetic waves supplied into a processing container to perform processing of a substrate, and which is provided with an upper electrode disposed in an upper portion of the processing container, a power supply member which is connected to the upper electrode to supply electromagnetic waves to the upper electrode, a first shielding member for electrically shielding the upper electrode and the power supply member, a second shielding member for electrically shielding the upper electrode and the power supply member, a ring-shaped insulating member which is provided between the upper electrode and the first shielding member, is provided between the upper electrode and the second shielding member, and through the interior of which a plurality of gas through holes penetrate, and an electrically conductive member which covers a first end portion of the insulating member and which electrically connects the first shielding member and the second shielding member, wherein the power supply member passes through an interior space in the insulating member and supplies the electromagnetic waves to the upper electrode.
Patent WO-2022070937-A1 (WO)
Inventor: OKUIKE KAZUYUKI
IPC: G03B7/28
Filed: 2021-09-16
Abstract: 本技術は、推論モデルを用いた物体検出の検出精度を向上させるようにすることができるようにする情報処理装置、情報処理方法、及び、プログラムに関する。 撮像により得られた入力画像に対してニューラルネットワークを用いた推論モデルにより検出される物体の種類に応じて、前記撮像に関するパラメータ、及び、前記入力画像に対する信号処理に関するパラメータのうちの少なくとも一方が変更される。
Patent WO-2022065314-A1 (WO)
Inventor: KARASAWA RYOSUKE
IPC: F03D3/06
Filed: 2021-09-21
Abstract: The present invention makes it possible to solve the problem of installation taking time due to misalignment of a screw hole when bolting the lower end of a pillar of a windmill to a slider of a linear motion guide device. This containerized mobile wind power generation apparatus comprises a container (1), a windmill (2), and a power generator (3). A linear motion guide device (11) is disposed on a wall of the container (1). The lower end of a pillar (6) of the windmill (2) has a pillar lower end member (10) fixable to the linear motion guide device (11). The linear motion guide device (11) has a slider (12) provided with a guide member (15), and a bolt inserted into a bolt insertion hole in the pillar lower end member (10) is screwed into a screw hole provided in the guide member (15). An installation guide part (20), such as a stepped bolt and a brimmed step, is provided for guiding the pillar lower end member (10) to a position and attitude where the bolt insertion hole in the pillar lower end member (10) coincides with the screw hole in the guide member before the pillar lower end member (10) is fixed to the slider (12).
Patent WO-2022065363-A1 (WO)
Inventor: SAWADA AYAKO
IPC: G06Q10/06
Filed: 2021-09-22
Abstract: [Problem] To highly accurately and automatically distinguish the likelihood of fraud with less reliance on manpower. [Solution] A fraudulent expense detection program for detecting fraudulent expense, the fraudulent expense detection program being characterized in causing a computer to execute: an information acquisition step for monthly acquiring outsourcing information comprising outsourcing expenses; and a distinguishing step for distinguishing the likelihood of fraud by utilizing three or more levels of relevance between reference outsourcing information comprising outsourcing expenses acquired monthly in the past and the likelihood of fraud, and on the basis of the reference outsourcing information corresponding to the outsourcing information acquired in the information acquisition step, with priority given to higher levels of relevance.
Patent WO-2022123913-A1 (WO)
Inventor: TAKAYAMA SHIGEKI
IPC: A61N5/10
Filed: 2021-10-18
Abstract: 実施形態によれば、粒子線加速装置（１２）は、粒子線（１）を軌道に誘導する誘導部（２１）と、軌道（３）上を周回する粒子線（１）を加速する加速部（２４）と、粒子線（１）を軌道（３）上で遮断する粒子線遮断部（２７）と、誘導部（２１）、加速部（２４）及び粒子線遮断部（２７）を制御する制御部（３０）と、を備え、誘導部（２１）は、超電導電磁石（３２）と超電導電磁石（３２）を遮断する超電導電磁石遮断部（２８）とを有し、制御部（３０）は、超電導電磁石（３２）に異常が発生した場合に、粒子線遮断部（２７）を起動させて粒子線（１）の遮断を完了した後に、超電導電磁石遮断部（２８）を起動させて超電導電磁石（３２）を遮断するように構成されている。
Patent WO-2022092041-A1 (WO)
Inventor: TORII KAZUHIRO
IPC: A61P31/04
Filed: 2021-10-25
Abstract: L'invention concerne une composition pour la cavité buccale, laquelle permet de supprimer les bactéries à l'intérieur de la cavité buccale tout en conférant un effet durable d'hydratation de la muqueuse buccale. Plus spécifiquement, cette composition pour la cavité buccale contient: (A) un sel d'ammonium quaternaire, et (B) une hypromellose.
Patent WO-2022092080-A1 (WO)
Title: 重合性組成物、硬化物及び硬化物の製造方法
Inventor: OHNO YASUNOBU
IPC: C08G65/18
Filed: 2021-10-26
Abstract: 本発明の目的は、位置精度に優れた厚膜の硬化物を短時間で得ることができる重合性組成物を提供することにある。　本発明は、光カチオン重合開始剤、熱カチオン重合開始剤及びカチオン重合性化合物を含有する重合性組成物であって、熱カチオン重合開始剤の含有量が、光カチオン重合開始剤１００質量部に対して、５０～１０００質量部である重合性組成物である。光カチオン重合開始剤が芳香族スルホニウム塩を含有することが好ましく、また、熱カチオン重合開始剤がベンジルフェニルスルホニウム塩を含有することも好ましい。
Patent WO-2022107761-A1 (WO)
Title: 無人飛行機制御装置、及び記憶媒体
Inventor: MIYOSHI TAKASHI
IPC: B64C39/02
Filed: 2021-11-16
Abstract: 工場には、無線ＬＡＮが構築されている。工場の機械設備４は、短距離無線通信部４１を備える。無人飛行機２は、工場の３次元地図又は２次元地図を分割した領域と、各領域において無人飛行機２が接続すべき無線局を記憶している。無人飛行機２は、３次元地図又は２次元地図上の自己位置が存在する領域に応じて接続する無線局を切り替える。
Patent WO-2022137913-A1 (WO)
Inventor: SHIMONO TOMOHIRO
IPC: C08G12/08
Filed: 2021-11-18
Abstract: The present invention provides: a maleimide resin and a maleimide compound which are characterized by being a product of maleimidization of a polyamine compound (C) which is a product of reaction between a plurality of aromatic monoamine compounds (A) and a binder (B); a curable composition containing either of these; a cured object formed from the curable composition; a semiconductor-encapsulating material; a semiconductor-encapsulating device; a prepreg; a circuit board; and a build-up film. The maleimide resin and the maleimide compound not only are low in melting point and softening point and have excellent handleability, but also give cured objects having high heat resistance and are suitable for use as or in semiconductor-encapsulating materials, etc.
Patent WO-2022118722-A1 (WO)
Title: エポキシ樹脂、硬化性組成物、硬化物、半導体封止材料、半導体装置、プリプレグ、回路基板、及び、ビルドアップフィルム
Inventor: AOYAMA KAZUMASA
IPC: H01L23/29
Filed: 2021-11-25
Abstract: 本発明は、ビフェノール化合物（Ｐ１）のグリシジルエーテル化物（Ｅ１）、及び、フェノール性水酸基含有化合物と芳香族ジビニル化合物とを反応原料とするフェノール性水酸基含有樹脂（Ｐ２）のグリシジルエーテル化物（Ｅ２）を含有するエポキシ樹脂を提供する。前記エポキシ樹脂は、流動性、及び、成形性に優れる。また、前記エポキシ樹脂を含有する硬化性組成物の硬化物は、靭性特性、及び、低吸湿性に優れることから、半導体封止材料、半導体装置、プリプレグ、回路基板、及び、ビルドアップフィルムに用いることができる。
Patent WO-2023095304-A1 (WO)
Inventor: TAKAHARA TAKAAKI
IPC: H02M3/155
Filed: 2021-11-26
Abstract: 電力変換装置（１００）は、第１の基板（１０）と、第１の基板（１０）上に備えられた電力変換回路（１２０、１３０）と、第１の基板（１０）と重なる位置に配置された第２の基板（２５）と、リアクトル（５０）と、シールド部材（６０）とを有する。リアクトル（５０）は、コア（４０）及び第２の基板（２５）上に備えられた巻線パターン（２１）を含み、電力変換回路（１２０、１３０）に電気的に接続されている。シールド部材（６０）は、電力変換回路（１２０、１３０）と巻線パターン（２１）との間に配置され、巻線パターン（２１）で発生するノイズをシールドする。
Patent WO-2022114150-A1 (WO)
Inventor: Cai shi
IPC: F24F7/10
Filed: 2021-11-26
Abstract: 地面還気装置及び該還気装置を含む汚染物制御システムは、装置全体の高さが限られた場合に、還気装置の吸入効率を向上させるとともに上ケースの強度を確保するのに役立つ。本発明に係る地面還気装置は、少なくとも一つの吸入口が設けられた上ケースと、少なくとも一つの排出口が設けられた下ケースと、前記上ケースと前記下ケースから形成された収納キャビティに設けられるとともに、吸気口が前記上ケースに向けるファンアセンブリと、を含み、前記上ケースの吸入口が前記ファンアセンブリの吸気口に略対応する。
Patent WO-2022149382-A1 (WO)
Inventor: TSUKADA SHINGO
IPC: A61B5/349
Filed: 2021-12-02
Abstract: This signal analysis device comprises an analysis unit that: when the time waveform of an R wave is approximated by a waveform arising from the difference between a first cumulative distribution function, which is the cumulative distribution function of a first single-peak distribution, and a second cumulative distribution function, which is the cumulative distribution function of a second single-peak distribution, or by a waveform obtained by adding a reference value to the aforementioned waveform, acquires at least some parameters that specify at least one of the first single-peak distribution, the first cumulative distribution function, the second single-peak distribution, and the second cumulative distribution function; when a waveform in which the time axis of a T-wave time waveform is reversed is approximated by a waveform arising from the difference between a third cumulative distribution function, which is the cumulative distribution function of a third single-peak distribution, and a fourth cumulative distribution function, which is the cumulative distribution function of a fourth single-peak distribution, or by a waveform obtained by adding a reference value to the aforementioned waveform, acquires at least some parameters that specify at least one of the third single-peak distribution, the third cumulative distribution function, the fourth single-peak distribution, and the fourth cumulative distribution function; and acquires parameters indicating the activity of the myocardium of a heart by calculating the acquired parameters.
Patent WO-2022124209-A1 (WO)
Inventor: ISHII KENJI
IPC: A01K29/00
Filed: 2021-12-03
Abstract: 有機酸への耐久性及び酸の低透過性に優れた畜産用センサー用シール部材を提供する。本開示は、樹脂、又は、塩素原子を含まないゴムを含む畜産用センサー用シール部材に関する。
Patent WO-2022138761-A1 (WO)
Title: 光ファイバリボン、光ファイバ接続部品、及び光ファイバ接続部品の製造方法
Inventor: MORISHIMA TETSU
IPC: G02B6/44
Filed: 2021-12-22
Abstract: 光ファイバリボンは、コアと前記コアを覆うクラッドとを有するガラスファイバと、前記ガラスファイバを覆う樹脂被覆とを含む複数本の光ファイバを備える。前記複数本の光ファイバが並列に配列されている。前記複数本の光ファイバのうち隣接した光ファイバの中心軸間の長手方向に直交する方向における距離は、前記複数本の光ファイバ各々の外径よりも大きい。
Patent JP-WO2020175532-A1 (JP)
Title: 延伸フィルム、円偏光板、表示装置
IPC: C08J5/18
Filed: 2020-02-26
Abstract: 本発明は、優れた逆波長分散性を示す延伸フィルム、円偏光板および表示装置を提供する。本発明の延伸フィルムは、面内方向に遅相軸を有する延伸フィルムであって、延伸フィルムは式（Ａ）の関係を満たし、延伸フィルムの進相軸の方向での波長７００〜９００ｎｍにおける吸収が、延伸フィルムの遅相軸の方向での波長７００〜９００ｎｍにおける吸収よりも大きい。式（Ａ）    Ｒｅ（４５０）／Ｒｅ（５５０）＜１．００Ｒｅ（４５０）は波長４５０ｎｍにおける延伸フィルムの面内レタデーションを表し、Ｒｅ（５５０）は波長５５０ｎｍにおける延伸フィルムの面内レタデーションを表す。