baber/WOPTO huggingface dataset:
Patent KR-20190103269-A (KR)
Title: 도가니 및 조정 부재를 구비하는 결정 인상 시스템 및 방법
Inventor: ZEPEDA SALVADOR
IPC: C30B29/06
Filed: 2018-01-04
Abstract: 용융물로부터 잉곳을 형성하는 시스템 및 방법이 개시된다.  시스템은 용융물을 수용하기 위한 공동을 형성하는 도가니와, 용융물의 이동을 저지하기 위한 제1 및 제2 장벽을 구비한다.  제1 통로 및 제2 통로는 외부 지역 내에 배치된 용융물이 전이 지역으로 이동하고 전이 지역을 통해서 내부 지역으로 이동할 수 있게 하도록 구성된다.  조정 부재는 복수의 지역 중 하나 이상에 배치되며, 용융물과 접촉하여 용융물 내의 미세-공극의 개수를 감소시키도록 구성된다.
Patent KR-20190117700-A (KR)
Title: 감염을 스크리닝하는 방법
Inventor: SYKES KATHRYN FRANCES
IPC: G01N33/576
Filed: 2018-02-22
Abstract: 개시된 구현예는 감염을 확인하기 위한 비침습적 방법, 장치, 및 시스템에 관한 것이다. 본 발명의 방법은 참조 대상체에 존재하는 항체의 혼합물의 결합과 비교하여 감염으로 인한 대상체로부터의 샘플에 존재하는 항체의 상이한 혼합물에 의해 차별적으로 결합되는, 펩타이드 어레이 상에 존재하는 판별성 펩타이드를 확인하기 위한 것이다.
Patent KR-20190133685-A (KR)
Title: 중합체 기재의 금형내 코팅 방법
Inventor: LORENZO JAMES M
IPC: C09D175/04
Filed: 2017-04-07
Abstract: 중합체 기재의 금형내 코팅 방법은 금형의 금형 공동 내로 플라스틱 기재를 도입하는 단계; 기재를 코팅하기 위해, 가공 온도 50℃-120℃에서, 및 가공 압력 11,000 내지 20,700 kPa에서 플라스틱 기재를 함유하는 금형 공동 내로 코팅 조성물을 도입하는 단계; 62-105℃의 경화 온도에서 금형 공동 내의 조성물을 경화시키는 단계를 포함하고; 여기서 코팅 조성물은 이소시아네이트-반응성 기를 포함하는 중합체; 및 폴리이소시아네이트를 포함하고, 여기서 코팅 조성물은 가공 온도에서 200 내지 500 mPa·s의 점도를 갖는다.  추가의 실시양태는 코팅 전에 플라스틱 기재에 전자 회로, 발광 다이오드 및/또는 그래픽 이미지를 부착하는 것을 포함한다.
Patent KR-20190130008-A (KR)
Title: 변환 조인트, 그 변환 조인트를 가지는 집적형 유체 공급 장치 및 유체용 부품의 장착 방법
Inventor: IWASAWA Ryosuke
IPC: H01L21/02
Filed: 2018-03-09
Abstract: 베이스 블록에 대응한 유체용 부품과 상이한 사이즈의 유체용 부품을 사용 가능하도록 하는 변환 조인트를 제공하기 위하여, 본 발명의 변환 조인트는, 베이스 블록 상에 배치되는 제1 베이스부와, 베이스 블록으로부터 멀어지는 제1 방향으로 제1 베이스부로부터 이격하고, 베이스 블록 상에 설치되는 유체용 부품과 상이한 사이즈의 제1 유체용 부품이 설치되는 제2 베이스부와, 제1 베이스부 및 제2 베이스부를 연결하는 중간부와, 제2 베이스부, 중간부 및 제1 베이스부를 관통하고, 베이스 블록의 제1 유로의 일단(一端)에 접속되는 일단측 유로와, 제2 베이스부, 중간부 및 제1 베이스부를 관통하고, 베이스 블록의 제2 유로의 타단에 접속되는 타단측 유로를 구비하고, 일단측 유로의 제2 베이스부 측의 제1 개구부와 타단측 유로의 제2 베이스부 측의 제2 개구부가, 제1 유체용 부품의 유체 유입구와 제1 유체용 부품의 유체 유출구에 접속 가능하게 설정되어 있다.
Patent KR-20190140942-A (KR)
Title: 동력기계용 로더 리프트 암 조립체
Inventor: SCHIWAL BRANDEN
IPC: E02F3/34
Filed: 2018-04-19
Abstract: 본 발명은 동력기계의 제조성을 향상하고, 구성요소 고장을 감소하고, 동력기계의 설계 및 기능성을 향상시키는, 동력기계(100; 200; 300) 및 관련 리프트 암 구조체(230; 330), 도구 캐리어(272; 372), 종동 링크(375) 및 구동 링크(380)를 개시한다. 일부 예시적인 실시예에서, 리프트 암 구조체는 주조 하부 리프트 암 부분(339)을 포함한다. 주조 하부 리프트 암 부분은 상부 리프트 암 부분(333)의 외곽 하부 단부(410)에 슬리브되는 외곽 상부 단부(405)를 포함하여, 용접부의 스트레스 포인트를 제어한다. 종동 링크 구조체는 후면 시계를 개선하기 위하여 리프트 암 구조체의 적어도 부분적으로 외부에 위치하도록 구성된 종동 링크를 포함한다. 구동 링크 구조체는 리프트 실린더(338) 상의 가장 깊숙한 표면(680)과 가로로 중첩하고, 리프트 암이 상승하면 가로로 중첩하는 부분은 리프트 실린더의 가장 깊숙한 표면 위로 이동하도록 구성된다.
Patent KR-20190131594-A (KR)
Title: 유기 발광 디스플레이 패널의 보수 방법 및 유기 발광 디스플레이 패널
Inventor: CHEN CAIQIN
IPC: H01L51/56
Filed: 2017-05-19
Abstract: 본 출원은 유기 발광 디스플레이 패널의 보수 방법 및 유기 발광 디스플레이 패널을 개시한다. 상기 보수 방법은, 보수할 디스플레이 픽셀을 확정하는 단계; 상기 보수할 디스플레이 픽셀의 스위칭 튜브(T7)의 제어 단부(208, 608)와 스캔 라인(402, 505)사이의 연결을 차단하는 단계; 및 상기 스위칭 튜브(T7)의 제 1 경로 단부(204, 604)와 제 2 경로 단부(206, 606)를 연결하여 상기 보수할 디스플레이 픽셀의 유기 발광 다이오드(201, 601)의 애노드(207, 607)에 제 2 기준 전압(Vi)이 지속적으로 인가되도록 하는 단계를 포함한다. 상기 방법은 상기 유기 발광 다이오드(201, 601)의 캐소드(203, 603)에 인가된 제 1 기준 전압(Vss) 및 애노드(207, 607)에 인가된 제 2 기준 전압(Vi)에 의해 상기 유기 발광 다이오드(201, 601)가 지속적으로 어두운 상태에 있도록 한다. 따라서, 상기 방법은 유기 발광 디스플레이 패널의 보수에 소요되는 에너지 소모를 줄이고 보수 효율을 향상시킬 수 있다.
Patent KR-20190135057-A (KR)
Title: 인공 심장 판막용 전달 장치
Inventor: COHEN OREN
IPC: A61F2/24
Filed: 2018-04-24
Abstract: 일 실시예에서, 기계 심장 판막 프레임을 위한 것과 같은 전달 장치 핸들은 작동 노브가 예를 들어 프레임의 팽창 또는 절첩을 야기하도록 기계 심장 판막 프레임에 부착되어 있는 튜브와 같은 다수의 요소 또는 요소의 세트의 선형 또는 회전 이동을 야기하도록 동작 가능한 제1 상태로부터, 단지 단일의 요소 또는 요소의 세트만이 이동하여 예를 들어, 프레임을 잠금하고 그리고/또는 이를 전달 장치로부터 해제하는 것과 같은 부가의 동작을 허용하는 제2 상태로 작동 노브를 토글할 수 있는 토글 기구를 갖는 작동 노브를 포함할 수 있다.
Patent KR-20200017411-A (KR)
Title: 괴사 억제제로서 헤테로아릴 화합물, 이의 조성물 및 이의 이용 방법
Inventor: ZHANG XIAOHU
IPC: C07D519/00
Filed: 2018-06-23
Abstract: 본 개시내용은 식 (I)인 헤테로아릴 화합물, 이의 제조방법에 대한 공정과 이들을 포함하는 약제학적 조성물, 및 괴사로 인해 발생하거나 괴사와 관련이 있는 질병과 질환의 치료에 대한 이의 용도를 제공한다. 식 (I)은 하기와 같다:
Patent KR-20200005660-A (KR)
Title: 랜덤 프라이머 세트 및 이를 사용하는 dna 라이브러리의 제조 방법
Inventor: ENOKI HIROYUKI
IPC: C12Q1/6853
Filed: 2018-05-18
Abstract: 랜덤 프라이머를 사용하는 핵산 증폭 반응을 통해 편리하고 고도로 재현가능한 방식으로 DNA 라이브러리를 제조할 때, 엽록체 게놈에서 유래하는 DNA 단편의 증폭은 상당한 정도로 감소된다.     랜덤 프라이머는, 3' 말단에서의 2 개 염기가 TG 인 것을 제외하고 TAAGAGACAGNN 으로 표시되는 올리고뉴클레오티드 군, 및 3' 말단에서의 3 개 염기가 TGC 인 것을 제외하고 TAAGAGACAGNNN 으로 표시되는 올리고뉴클레오티드 군에서 선택되는 올리고뉴클레오티드를 포함한다.
Patent KR-20200018478-A (KR)
Title: 대형 매체 접근 제어 서비스 데이터 유닛(msdu) 전달
Inventor: TRAININ SOLOMON
IPC: H04L1/00
Filed: 2018-06-13
Abstract: 본 개시내용의 소정의 양상들은 점보 MSDU 전달에 관한 것이다.  본 개시내용의 소정의 양상들은 무선 통신들을 위한 장치를 제공한다.  장치는 제1 MSDU(MAC(media access control) service data unit)를 복수의 제1 MPDU(MAC protocol data unit)들로 분할하도록 구성된 적어도 하나의 프로세싱 시스템 ―이러한 복수의 제1 MPDU들 각각은 고유한 MPDU 시퀀스 번호 및 제1 MSDU와 연관된 별개의 MSDU 시퀀스 번호를 가짐―, 및 수신자로의 송신을 위해 복수의 제1 MPDU들을 출력하도록 구성된 제1 인터페이스를 포함한다.
Patent KR-20210088981-A (KR)
Title: Device and operating method of device
Inventor: KIM JI HWANG
IPC: G10L15/22
Filed: 2020-01-07
Abstract: According to one embodiment, provided is an operating method of a device, which determines whether a user exists in the vicinity of the device, and controls an operation mode of the device based on whether the user exists. Through a sleep mode in which only the voice recognition module operates, power consumption of a set-top box which occurs under the standby mode can be reduced.
Patent KR-20210093535-A (KR)
Title: Camera Assembly Protective Cover for Mobile Devices
Inventor: SEO JUNG HO
IPC: H04M1/02
Filed: 2020-01-20
Abstract: The present invention provides a protective cover for a camera assembly (200) protruding from a surface of a mobile device by a predetermined height (a). According to the present invention, the camera assembly (200) includes a lighting unit (210), a photographing unit (220), and a sensor unit (230). The protective cover comprises a body (100) having a through-hole into which the camera assembly (200) is inserted. According to one aspect of the present invention, the protective cover for a camera assembly provides an effect of preventing the camera assembly protruding from a surface of a mobile device from being damaged by an external force generated by a fall or collision.
Patent KR-20210097442-A (KR)
Title: Axial-flux motor having slanted conductive line
Inventor: MOON CHANG KEUN
IPC: H02K15/04
Filed: 2020-01-30
Abstract: Embodiments relate to an axial flux motor having a slanted conductor line. The motor comprises: a disk-shaped rotor including a permanent magnet; and a disk-shaped stator including a conductor line disposed to correspond to the permanent magnet. The conductor line may be formed to have a predetermined angle with the normal of the stator. The stator of the present invention prints the conductor line on a substrate by using a 3D printer, thereby dramatically reducing the overall weight of the motor, shortening manufacturing time, and reducing a defect rate because a manual work is not required.
Patent KR-20210100423-A (KR)
Title: Foot rest for chair
Inventor: KIM EUN CHUL
IPC: A47C7/52
Filed: 2020-02-06
Abstract: The present invention relates to a footrest device for a chair. The present invention is to provide a footrest device for a chair, enabling a user to rest the feet conveniently in a state in which the user is seated on a corresponding chair by installing a footrest device on a support leg of the chair in a robust structure. To this end, the footrest device for the chair in accordance with the present invention is applied to the support leg of the chair, wherein the chair includes: a post on which a seat plate of the chair is fixedly installed on the upper end thereof; a plurality of supports formed in a radial shape from the lower end of the post; and casters each of which is mounted at the lower part of a tip end of each support. The footrest device for the chair comprises: a lower member formed in a shape of a square plate with a predetermined thickness in which a lower seating groove with a "┗┛" shape is formed in a back and forth direction and positioned at the lower side of each of a pair of supports provided in the support leg; an upper member formed in a hexahedral shape having an upper seating groove with a "┏┓" shape in a back and forth direction, and positioned at the upper side of each of the pair of supports provided in the support leg, in a state in which a plurality of fitting protrusions are formed to protrude on the upper surface, to be coupled to the lower member; and a rest member formed in a plate shape with a predetermined area such that seated users can rest their feet, and having fitting recesses formed on both sides of the lower surface corresponding to the plurality of fitting protrusions formed in each of a pair of the upper members to be stacked and installed on the upper sides of the pair of the upper members.
Patent KR-20210101532-A (KR)
Title: Inside the stacker crane parking tower, Automatic moving system for vehicles waiting to enter and waiting to leave the parking lot
Inventor: HER YANG SUK
IPC: E04H6/30
Filed: 2020-02-10
Abstract: According to an embodiment of the present invention, the present invention relates to a system mainly applied to a stacker crane parking tower, which is one of existing mechanical parking towers, and, more specifically, to a system invented to solve complaints about waiting time made in transfer parking lots, various venues, various stadiums, airports, hotels, wedding halls and the like, which are public places for gatherings, where vehicles needing to enter or vehicles needing to leave are intensively flocking at a specific time. In the case of an existing mechanical parking tower, when one vehicle is entering the parking tower, the next vehicle needs to wait for one or two minutes or more in front of the parking tower until the parking of the current vehicle is complete, which can lead to inconvenience. Also, even when a vehicle is leaving the parking tower, the next vehicle needs to wait until the current vehicle completely leaves the parking tower. The present invention is invented to eliminate the inconvenience caused by waiting. According to the present invention, even when a vehicle is entering or leaving a parking tower, a driver of the next vehicle leaves the vehicle at a designated entrance or exit without waiting until the parking of the current vehicle is complete, and then, the system of the present invention first safely transfers the vehicle to an adjacent designated place, and helps the vehicle to enter or leave the parking tower in a programmed sequence.
Patent KR-20210015609-A (KR)
Inventor: YUN JAE GEUN
IPC: H03K3/037
Filed: 2020-02-24
Abstract: Disclosed is an IC. The IC comprises: a bridge circuit connecting a first circuit operating in synchronization with a first clock and a second circuit operating in synchronization with a second clock; and a reset generation circuit providing a reset signal configured to reset the circuit synchronized with the first clock when a second reset signal synchronized with the second clock is sensed. The bridge circuit includes a first interface circuit operating in synchronization with the first clock, and a second interface circuit operating in synchronization with the second clock and reset by a second reset signal. The first interface circuit is reset by the reset signal provided by the reset generation circuit. According to the present invention, an efficient method for resetting an interconnect circuit connecting the first circuit and the second circuit belonging to different clock domains and an additional circuit associated with the interconnect circuit can be provided.
Patent KR-20210108521-A (KR)
Title: Heat exchanger
Inventor: AHN SUNG WOOK
IPC: F25B41/00
Filed: 2020-02-25
Abstract: The present invention relates to a heat exchange device. More particularly, the present invention relates to a heat exchange device with an improved structure of a circulation path including a water jacket, a radiator, and a pump by using a thermoelectric liquid with high specific heat and low viscosity and freezing point breaking away from the conventional air cooling system, in order to maximize the efficiency of the heat transfer characteristics of a thermoelectric element.
Patent KR-20210110471-A (KR)
Title: Electronic device and operating method for performing an operation based on a handwritten input
Inventor: ZAYTSEV VIKTOR
IPC: G06F3/0481
Filed: 2020-02-28
Abstract: Provided is a method for performing operations based on handwritten input in an electronic device. The electronic device receives handwritten input of a user on a lock screen of the electronic device, obtains input information corresponding to the handwritten input, determines whether to perform user authentication based on the input information, performs user authentication for the handwritten input based on the determination, and performs an operation corresponding to the input information based on the result of user authentication.
Patent KR-20210112731-A (KR)
Title: Vacuum table for vacuum-adsorbing semiconductor packages
Inventor: LEE MYUNG JUNG
IPC: H01L21/683
Filed: 2020-03-06
Abstract: A vacuum table for vacuum-adsorbing semiconductor packages is disclosed. The vacuum table includes a vacuum panel in which vacuum holes for vacuum-adsorbing semiconductor packages are formed; a vacuum providing part disposed under the vacuum panel and providing a vacuum to the vacuum holes for vacuum adsorption of the semiconductor packages; a plurality of clamps for fixing the vacuum panel on the vacuum providing part; and a clamp driving part for opening and closing the clamps.
Patent KR-20210050415-A (KR)
Title: Cooling optical transmission module device and manufacturing method thereof
Inventor: KANG EUN KYU
IPC: G02B6/42
Filed: 2020-03-10
Abstract: The present invention relates to a cooling type optical transmission module device. The cooling type optical transmission module device includes a silicon wafer provided with a plurality of spaces for mounting an optical transmission platform; a thermoelectric cooler bonded to a platform mounting groove to radiate heat to the outside; the optical transmission platform provided on the thermoelectric cooler and outputting an optical signal and reflect it; a dielectric sub-mount bonded to the platform mounting groove of the silicon wafer and electrically connecting the mounted optical transmission platform; and a cover for covering and sealing the platform mounting groove of the silicon wafer and providing an electrical path. It is possible to provide a cooling type optical transmission module device that is advantageous for mass production by applying a cooling type optical transmission module to a wafer level packaging process.
Patent KR-20200115162-A (KR)
Inventor: KAWAWA TAKAHIRO
IPC: C23C14/02
Filed: 2020-03-16
Abstract: An objective of the present invention is to prevent the occurrence of problem when a substrate is adsorbed and held on a mounting table of a substrate processing device or when a substrate is removed from a mounting table without impeding substrate processing and reducing throughput. A substrate processing device for processing a substrate comprises: a processing container housing a substrate; a mounting table provided in the processing container and adsorbing and holding the substrate by electrostatic adsorptive power; a charge measurement unit provided in the processing container and performing measurement related to quantity of charge of a substrate adsorption surface of the mounting table; a charge neutralization mechanism performing charge neutralization of a substrate adsorption surface of the mounting table; and a retreat mechanism retreating the charge measurement unit from a measurement position facing the substrate adsorption surface of the mounting table.
Patent KR-20210116117-A (KR)
Title: Structure having lobby for first floor of apartment house
Inventor: GONG BYEOUNG TAK
IPC: E04H1/04
Filed: 2020-03-17
Abstract: The present invention relates to a plane structure of a first floor of an apartment house having a lobby. When defining left and right sides with respect to the predetermined direction on a plane, and defining an upper side and a lower side with respect to the direction perpendicular to the predetermined direction on the plane, the plan structure of the first floor of the apartment house having a lobby of the present invention comprises: a lobby disposed on the first floor of the apartment house and accessible to the outside of the apartment house; a corridor extending downward from the lobby and connecting the lobby and an entrance of a household disposed on the first floor of the apartment house; an elevator shaft disposed on one of left and right sides of the corridor; and an emergency staircase disposed on the other one of the left and right sides of the corridor. An object of the present invention is to provide the plane structure of the first floor of the apartment house which can increase a value of the apartment house.
Patent KR-20210123149-A (KR)
Title: Mental health analysis systems and methods
Inventor: YOON MYUNG CHUL
IPC: A61B5/369
Filed: 2020-04-02
Abstract: The present invention relates to a mental health analysis system and method. The mental health analysis system and method according to an example of the present invention are provided to receive body information of a user and psychological survey results on the psychology of the user, extract the first risk level by analyzing the body information and the second risk level by analyzing the survey results on the psychology, analyze whether the index of the first risk level and the index of the second risk level match, determine the overall risk level by judging weights differently based on the accumulated evaluation standard model when the first and second risk levels are different from each other, transmit additional counseling guidance information when the overall risk level is determined to be a risk group, and update the evaluation standard model.
Patent KR-20210123636-A (KR)
Title: Electronic device for changing radio frequency based on identifying of hidden interference and operating method thereof
Inventor: JUNSU CHOI
IPC: H04W28/20
Filed: 2020-04-03
Abstract: An electronic device in accordance with one embodiment of the present invention comprises: a communication module; a processor operatively connected to the communication module; and a memory operatively connected to the processor, wherein the memory may include instructions that, when executed, cause the processor to receive a first signal by using a plurality of sub-frequency bands through the communication module, identify at least one sub-frequency band in which hidden interference is identified on the basis of a pre-high efficiency (HE) modulated field of a packet indicated by the first signal, and change a communication frequency by transmitting a second signal, including information indicating the at least one identified sub-frequency band, to an external electronic device in which a wireless communication connection has been established. The present invention can detect the hidden interference and reduce the effect of the hidden interference.
Patent KR-20210035712-A (KR)
Title: Personalized fat reduction device using chemical solution
Inventor: KIM SE HWAN
IPC: A61N5/06
Filed: 2020-04-14
Abstract: Disclosed is a user-customized lipolysis device using a chemical solution. The user-customized lipolysis device using a chemical solution comprises: a belt-shaped main body which can perform irradiation and which can touch a user's body; a power unit which supplies power to the main body; a measurement unit which is position-adjusted by being detached from the main body, and includes one light source that irradiates the user's body with light while sequentially switching first light having different wavelengths and a plurality of optical sensors arranged to be sequentially away from the light source to measure optical signals reflected and diffused from the use's body, respectively; a plurality of irradiation units which are provided on the main body, and emit second light having set output power; a spray unit which can receive a set chemical solution from the outside and spray the received chemical solution onto an inner surface of the main body; and a control unit which calculates user's body information based on the optical signals measured by the plurality of optical sensors, respectively, determines the output power of the second light, and adjusts the amount of the chemical solution sprayed.
Patent KR-20210129410-A (KR)
Inventor: NA SE WOONG
IPC: H05K3/46
Filed: 2020-04-20
Abstract: The present invention relates to a printed circuit board and a method of manufacturing the same, which can improve the product reliability. In accordance with an embodiment of the present invention, the printed circuit board comprises: an insulation layer including the first to third areas; an outer layer circuit pattern placed on an upper surface of the first to third areas of the insulation layer; and a solder resist including a first part placed on the first area of the insulation layer, a second part placed on the second area, and a third part placed on the third area. The outer layer circuit pattern has a first height. The third part of the solder resist is placed on an upper surface of the outer layer circuit pattern by having a second height. The first area includes a first sub area and a second sub area. The first part includes: a first sub part placed on the first sub area; and a second sub part placed on the second sub area. An upper surface of the first sub part is higher than an upper surface of the outer layer circuit pattern, and is lower than an upper surface of the third part. An upper surface of the second sub part is lower than an upper surface of the outer layer circuit pattern. The surface roughness of the third part of the solder resist is different from the surface roughness of the first part of the solder resist.
Patent KR-20210129539-A (KR)
Inventor: JANG MIN SU
IPC: G03H1/22
Filed: 2020-04-20
Abstract: The present invention relates to a method of controlling a hologram display implemented in the air using a miniature sensor. An object of the present invention is to allow a user to more effectively control a display screen through transmitted data recognized by the miniature sensor recognizing user's motion and touch when implementing the hologram display in the air. To this end, according to the present invention, a metasurface hologram device (1) and miniature sensor module (2) are included in FIG. 1 to constitute a device, and if necessary, a separate device is included in the metasurface hologram device (1) and miniature sensor module (2) to be provided to a display device (100). Accordingly, it is possible to change or control an image desired by the user, away from the conventional display method, which was only capable of realizing a simple image.
Patent KR-20210135821-A (KR)
Title: Oral color sensor for bacterial detection
IPC: A61B10/00
Filed: 2020-05-06
Abstract: Provided, in one aspect of the present invention, is a bacteria detection color sensor for the mouth comprising: a polymer substrate; and a coating layer formed on at least one part of a surface of the substrate and comprising a polymer binder and an indicator, wherein the coating layer changes color at pH 5.5 or less. Therefore, the present invention is capable of maintaining the mouth environment clean.
Patent KR-20210136367-A (KR)
Title: Refrigerator
IPC: F25D29/00
Filed: 2020-05-07
Abstract: Disclosed is a refrigerator having a cold air control device of an improved structure. The refrigerator comprises: a storage chamber where cold air is supplied through a cold air outlet; and a shelf mounted in the storage chamber. The shelf comprises: a shelf frame forming a circumference of the shelf; and the cold air control device controlled on one side of the shelf frame to control an amount of cold air discharged from the cold air outlet to the storage chamber. The cold air control device comprises a connection device provided to be slid and moved along the circumference of the shelf.