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公开(公告)号：US12256609B2
公开(公告)日：2025-03-18
申请号：US18518926
申请日：2023-11-24
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Seung Chan Lee , Gun Hee Kim , Sung Jin Hong , Yoo Min Ko
IPC: H01L29/08 , H10K59/00 , H10K59/126 , H10K59/131
Abstract: A display device includes a display panel including a main area and a sensor area. Sensor devices overlap the sensor area of the display panel in a thickness direction of the display panel. The display panel includes first subpixels, which are disposed in the sensor area, and second subpixels, which are disposed in the main area. The number of transistors of each of the first subpixels is different from the number of transistors of each of the second subpixels.
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公开(公告)号：US11783778B2
公开(公告)日：2023-10-10
申请号：US17567436
申请日：2022-01-03
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Seung Chan Lee , Dong Hyun Kim , Hyeong Seok Kim , Young Wan Seo
IPC: G09G3/3258 , H10K59/131 , G09G3/3266 , G06V40/19 , H04N23/57
CPC classification number: G09G3/3258 , G06V40/19 , G09G3/3266 , G09G2320/0233 , G09G2330/02 , G09G2360/145 , H04N23/57 , H10K59/131
Abstract: A display device includes: a display panel including a first area and a second area, wherein the first area includes first sub-pixels, and the second area includes second sub-pixels; and a power supply unit that generates a first driving voltage and a second driving voltage greater than the first driving voltage to supply the first and second driving voltages to the display panel. The first sub-pixels receive the first driving voltage, and the second sub-pixels receive the first driving voltage or the second driving voltage.
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公开(公告)号：US11469278B2
公开(公告)日：2022-10-11
申请号：US16921397
申请日：2020-07-06
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Sung Jin Hong , Seung Chan Lee , Gun Hee Kim , Dong Hyun Kim , Sang Hoon Kim , Soo Hyun Moon , Joo Hee Jeon
Abstract: A display device is provided including a display area and a non-display area located on a periphery of the display area. The display area includes a sensor area for an optical sensor and a non-sensor area. The display device includes a substrate portion, a thin film transistor (TFT) layer disposed over an entire surface of the substrate portion, and a light emitting diode (LED) disposed on the TFT layer. The TFT layer includes at least one TFT. A thickness of the substrate portion in the sensor area is smaller than a thickness of the substrate portion in the non-sensor area.
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公开(公告)号：US11177341B2
公开(公告)日：2021-11-16
申请号：US16923932
申请日：2020-07-08
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Dong Hyun Kim , Gun Hee Kim , Soo Hyun Moon , Seung Chan Lee , Joo Hee Jeon
Abstract: A display device includes a flexible substrate which includes a first surface and a second surface opposite to the first surface and includes, sequentially, a first portion in the display region, a second portion in the non-display region, a third portion bent in a direction opposite to a display surface, a fourth portion, a fifth portion bent in a direction toward the display surface, and a sixth portion; a plurality of signal wirings on the first surface at the second to sixth portions; and a plurality of first connection wirings on the second surface at the second portion, and the second portion overlaps with the fourth portion, the fifth portion, and the sixth portion, and the signal wirings and the first connection wirings are coupled to each other on the second surface at the second portion.
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公开(公告)号：US20210248951A1
公开(公告)日：2021-08-12
申请号：US17110109
申请日：2020-12-02
Applicant: Samsung Display Co., Ltd.
Inventor： Seung Chan Lee , Yoo Min Ko , Joo Hee Jeon , Sung Jin Hong
IPC: G09G3/32 , G09G5/10 , H01L25/075 , H01L33/58
Abstract: A display device including a display panel having a display area in which a plurality of pixels are arranged, and a light source unit overlapping the display panel and including at least one light source. The light source unit irradiates infrared light to a predetermined region within the display area when displaying an image on the display area to change the luminance of pixels disposed in the predetermined region.
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Patent Agency Ranking
公开(公告)号：US11823616B2
公开(公告)日：2023-11-21
申请号：US17947952
申请日：2022-09-19
Applicant: Samsung Display Co., Ltd.
Inventor： Sung Jin Hong , Yoo Min Ko , Gun Hee Kim , Seung Chan Lee
IPC: G09G3/32 , H10K59/00 , H10K59/121 , H10K59/131 , G09G3/3225 , H10K59/65 , H10K59/12 , H10K59/35 , H10K59/88 , H10K59/60
CPC classification number: G09G3/32 , H10K59/00 , H10K59/121 , H10K59/1213 , H10K59/131 , G09G3/3225 , G09G2300/0426 , G09G2300/0809 , G09G2320/02 , G09G2320/0233 , G09G2320/0686 , G09G2330/02 , G09G2340/0407 , H10K59/12 , H10K59/35 , H10K59/351 , H10K59/353 , H10K59/60 , H10K59/65 , H10K59/88
Abstract: The display device includes a substrate including a sensor area, a display panel including a first pixel disposed in the sensor area, and a sensor disposed between the substrate and the display panel and overlapping the sensor area. The sensor area includes pixel areas in which the first pixel is disposed and transmission areas in which the first pixel is not disposed, the transmission areas include a first transmission area, the pixel areas include a first pixel area positioned in a first direction of the first transmission area and a second pixel area positioned in a second direction crossing the first direction of the first transmission area, the first pixel includes a first pixel circuit, some of transistors of the first pixel circuit are disposed in the first pixel area, and others of the transistors of the first pixel circuit are disposed in the second pixel area.
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公开(公告)号：US11450264B2
公开(公告)日：2022-09-20
申请号：US17019077
申请日：2020-09-11
Applicant: Samsung Display Co., Ltd.
Inventor： Sung Jin Hong , Yoo Min Ko , Gun Hee Kim , Seung Chan Lee
IPC: G09G3/32 , H01L27/32 , G09G3/3225
Abstract: The display device includes a substrate including a sensor area, a display panel including a first pixel disposed in the sensor area, and a sensor disposed between the substrate and the display panel and overlapping the sensor area. The sensor area includes pixel areas in which the first pixel is disposed and transmission areas in which the first pixel is not disposed, the transmission areas include a first transmission area, the pixel areas include a first pixel area positioned in a first direction of the first transmission area and a second pixel area positioned in a second direction crossing the first direction of the first transmission area, the first pixel includes a first pixel circuit, some of transistors of the first pixel circuit are disposed in the first pixel area, and others of the transistors of the first pixel circuit are disposed in the second pixel area.
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公开(公告)号：US11387288B2
公开(公告)日：2022-07-12
申请号：US16997540
申请日：2020-08-19
Applicant: Samsung Display Co., Ltd.
Inventor： Seung Chan Lee , Dong Hwan Shim , Yoo Min Ko , Sung Jin Hong , Gun Hee Kim
Abstract: An organic light-emitting display device includes a pixel area and a transmitting area adjacent to the pixel area. The organic light-emitting display device includes an organic light-emitting diode, a driving power wiring, and a heating pattern adjacent to the driving power wiring. The organic light-emitting diode includes a first electrode disposed in the pixel area, an organic light-emitting layer disposed on the first electrode and a second electrode disposed on the organic light-emitting layer. The driving power wiring is electrically connected to the second electrode. A portion of the organic light-emitting layer is disposed in the transmitting area. The organic light-emitting layer includes an opening area overlapping the heating pattern and at least a portion of the driving power wiring. The second electrode electrically contacts the driving power wiring through the opening area.
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公开(公告)号：US20210257419A1
公开(公告)日：2021-08-19
申请号：US17162106
申请日：2021-01-29
Applicant: Samsung Display Co., LTD.
Inventor： Sang Eok Jang , Seung Chan Lee , Sun Ho Kim , Dong Hwan Shim , Sun Hee Lee , Gun Hee Kim , Tae Hoon Yang
Abstract: An organic light-emitting display device includes: a display panel having a first display area and a second display area, the first and second display areas having different light transmittances from each other in a unit area, wherein the display panel includes a plurality of organic light-emitting diodes disposed in the first display area and the second display area, wherein a first organic light-emitting diode disposed in the first display area and a second organic light-emitting diode disposed in the second display area each include at least one light emitter, and the number of the light emitter included in the second organic light-emitting diode is greater than the number of the light emitter included in the first organic light-emitting diode.
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公开(公告)号：US11710432B2
公开(公告)日：2023-07-25
申请号：US17749690
申请日：2022-05-20
Applicant: Samsung Display Co., Ltd.
Inventor： Hyun Joon Kim , Jun Ki Jeong , Kyung Hoon Chung , Kyung Bae Kim , Seung Chan Lee , Chong Chul Chai
IPC: G09G3/00
CPC classification number: G09G3/006 , G09G2300/0842 , G09G2330/10 , G09G2330/12
Abstract: A method of testing a display panel including a pixel coupled to first, second, and third power lines, a data line, scan lines, an emission control line, and a test line, the method includes: applying a first power supply voltage to the first power line; applying a test voltage having a turn-on voltage level to the second power line; applying a scan signal having a turn-on voltage level sequentially to the scan lines and an emission control signal having a turn-on voltage level to the emission control line; applying a gate signal to the test line to turn on a test transistor coupled between two electrode of a light emitting element included in the pixel; measuring a sensing voltage output through the data line; and determining whether the pixel is defective, based on a voltage level of the measured sensing voltage.
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