公开(公告)号：US20240266332A1

公开(公告)日：2024-08-08

申请号：US18620480

申请日：2024-03-28

Applicant: Samsung Display Co., LTD.

Inventor： Hyung Rae CHA ,  Dong Uk KIM ,  Sung Ae JANG ,  Ji Hyun HAM

IPC: H01L25/075 ,  H01L27/12 ,  H01L33/00 ,  H01L33/22 ,  H01L33/42 ,  H01L33/44 ,  H01L33/62

CPC classification number: H01L25/0753 ,  H01L27/1214 ,  H01L33/007 ,  H01L33/0093 ,  H01L33/22 ,  H01L33/42 ,  H01L33/44 ,  H01L33/62 ,  H01L2933/0016 ,  H01L2933/0025

Abstract: A light-emitting element includes a first end portion and a second end portion disposed in a length direction of the light-emitting element, a first electrode corresponding to the first end portion, a first semiconductor layer on the first electrode, an active layer on the first semiconductor layer, a second semiconductor layer on the active layer, and a second electrode on the second semiconductor layer and corresponding to the second end portion. The second electrode includes a first layer on the first semiconductor layer, and a second layer on the first layer. The first semiconductor layer includes a p-type semiconductor layer doped with a p-type dopant. The second semiconductor layer includes an n-type semiconductor layer doped with an n-type dopant. The first electrode is in ohmic contact with the first semiconductor layer. The second electrode is in ohmic contact with the second semiconductor layer.

公开(公告)号：US20240266199A1

公开(公告)日：2024-08-08

申请号：US18531854

申请日：2023-12-07

Applicant: Samsung Display Co., LTD.

Inventor： Je Hyeon YOON

IPC: H01L21/68 ,  G06T7/33 ,  H01L21/027

CPC classification number: H01L21/682 ,  G06T7/33 ,  H01L21/027 ,  G06T2207/30148

Abstract: An alignment apparatus includes a support substrate having a first alignment mark formed thereon, and a wafer mounted on the support substrate as aligned to the first alignment mark. The first alignment mark includes a first mark extending in a first direction, a second mark extending in a second direction and intersecting the first mark at a side of the first mark, and a third mark extending in the second direction and intersecting the first mark at another side of the first mark.

公开(公告)号：US20240265883A1

公开(公告)日：2024-08-08

申请号：US18498796

申请日：2023-10-31

Applicant: Samsung Display Co., LTD.

Inventor： SEUNG-JUN LEE ,  TAE-HO KIM ,  YONGSU LEE ,  JAEWOO LEE ,  SEUNG-HWAN CHO

IPC: G09G3/3291

CPC classification number: G09G3/3291 ,  G09G2310/0297 ,  G09G2330/12

Abstract: A display device includes: a demux circuit portion including: a first transistor including a part of a first lower gate pattern, a second transistor including a part of a second lower gate pattern, a first control line connected to the first lower gate pattern and supplying a first lighting test control signal or a first demux control signal, and a second control line connected to the second lower gate pattern and supplying a second lighting test control signal or a second demux control signal, and a lighting circuit portion connected to the demux circuit portion and including: a third transistor including another part of the first lower gate pattern and receiving the first lighting test control signal or the first demux control signal, and a fourth transistor including another part of the second lower gate pattern and receiving the second lighting test control signal or the second demux control signal.

公开(公告)号：US20240265878A1

公开(公告)日：2024-08-08

申请号：US18611700

申请日：2024-03-21

Applicant: Samsung Display Co., Ltd.

Inventor： JaeMin SHIN ,  Sangwoo KIM ,  Gyujeong LEE ,  Hyejin JOO ,  Jongho HONG

IPC: G09G3/3266 ,  G06F1/16 ,  G09F9/30 ,  G09G3/3291

CPC classification number: G09G3/3266 ,  G06F1/1652 ,  G09F9/301 ,  G09G3/3291 ,  G09G2380/02

Abstract: A display panel may include a base, a circuit layer disposed on the base, an emission element layer disposed on the circuit layer, and an encapsulation layer disposed on the emission element layer. The base may include an island portion and a plurality of connecting portions and may be stretchable or extendable in a specific direction. The circuit layer may include a plurality of transistors and lines. An elongation of a material, which is included in a control electrode of each of the plurality of transistors, may be smaller than an elongation of a material included in the lines. The lines may be disposed on the connecting portions, and some of the lines may be overlapped with each other.

公开(公告)号：US20240265867A1

公开(公告)日：2024-08-08

申请号：US18435919

申请日：2024-02-07

Applicant: Samsung Display Co., Ltd.

Inventor： Jaehoon Lee ,  Jihyun Ka ,  Seokje Seong ,  Joosun Yoon

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/0452 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/08 ,  G09G2320/02 ,  G09G2330/021 ,  G09G2330/028

Abstract: Provided are a pixel configured to receive a first initialization voltage during a first period between a writing period of a first scan period and a first emission period of a frame and to receive a second initialization voltage different from the first initialization voltage from a start time point of a second period before a second emission period of a second scan period subsequent to the first scan period, a display apparatus including the pixel, and a driving method of the display apparatus.

公开(公告)号：US20240265852A1

公开(公告)日：2024-08-08

申请号：US18527090

申请日：2023-12-01

Applicant: Samsung Display Co., Ltd.

Inventor： SEONGHEON CHO ,  KUK-HWAN AHN ,  SEUNGJAE LEE ,  DAE-GWANG JANG

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2320/0233 ,  G09G2320/0285 ,  G09G2320/041

Abstract: A display device includes: a display panel displaying an image; and a drive controller receiving an image signal, and driving the plurality of pixels, and including a heat emitting controller, wherein the heat emitting controller includes: an average region setter receiving the image signal, setting, to one pixel region, some pixels of the plurality of pixels, and extracting an average gray level, based on gray levels of the some pixels of the plurality of pixels to set an average region from the pixel region; a diffusion region setter substituting a diffusion region, which is set to have a temperature corresponding to the average gray level, into the average region; and a look-up table map generator generating a look-up table map by predicting, based on the diffusion region, heat emitted from an inner part of a display region of the display panel and varied depending on the image.

公开(公告)号：US20240265847A1

公开(公告)日：2024-08-08

申请号：US18369350

申请日：2023-09-18

Applicant: Samsung Display Co., LTD.

Inventor： KYUNGHO KIM ,  GICHANG LEE

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2310/0267 ,  G09G2330/021

Abstract: A scan driver includes: stages. Each stage includes: a first node control circuit for controlling a voltage of a first node; an inverted carry node control circuit for controlling a voltage of an inverted carry node; a carry output circuit for outputting a carry signal; a fourth node control circuit for controlling a voltage of a fourth node in response to the carry signal; a second node control circuit for controlling a voltage of a second node in response to the carry signal, an enable signal, and the voltage of the inverted carry node; a third node control circuit for controlling a voltage of a third node in response to the voltage of the second node and the voltage of the fourth node; and a scan output circuit for outputting a scan signal in response to the voltage of the third node and the voltage of the fourth node.

公开(公告)号：US20240264712A1

公开(公告)日：2024-08-08

申请号：US18639093

申请日：2024-04-18

Applicant: Samsung Display Co., Ltd.

Inventor： Hwa Jeong KIM ,  Jae Sic LEE ,  Na Yun KWAK ,  Dong Hwan KIM ,  Seung Woo SUNG ,  Min Kyu WOO ,  Min Ku LEE ,  Seong Jun LEE ,  Sang Jin PAK ,  Sang Hyun JUN

IPC: G06F3/044 ,  G06F3/041

CPC classification number: G06F3/0446 ,  G06F3/0416 ,  G06F3/04164 ,  G06F3/04166 ,  G06F3/044

Abstract: A touch sensor may include a substrate and may include electrode units, first demultiplexers, second demultiplexers, and driving pads all located on the substrate. The electrode units each may include a plurality of electrode groups, the electrode groups each including a plurality of touch electrodes. The first demultiplexers each may include a plurality of sub-demultiplexers and each may be electrically connected to a corresponding one of the electrode units. Each of the sub-demultiplexers of a first demultiplexer may be electrically connected to a corresponding one of the electrode groups of a corresponding electrode unit. The second demultiplexers may be connected between the first demultiplexers and the driving pads.

公开(公告)号：US20240264709A1

公开(公告)日：2024-08-08

申请号：US18537755

申请日：2023-12-12

Applicant: Samsung Display Co., Ltd.

Inventor： Seung-Lyong Bok ,  Kicheol Kim

IPC: G06F3/044 ,  G06F3/041

CPC classification number: G06F3/0446 ,  G06F3/0412 ,  G06F3/04164 ,  G06F3/0443

Abstract: An electronic device includes a display layer, and a sensor layer. A sensing area and a peripheral area are defined within the sensor layer. The sensor layer includes a plurality of first electrodes disposed in the sensing area, a plurality of first trace lines, a plurality of second electrode groups disposed in the sensing area, and a plurality of second trace lines electrically connected to the plurality of second electrode groups and overlapping the sensing area. The plurality of second electrode groups include a first-second electrode and a second-second electrode. The plurality of second trace lines include a plurality of first-second trace lines electrically connected to the first-second electrode and a second-second trace line electrically connected to the second-second electrode.

公开(公告)号：US20240264702A1

公开(公告)日：2024-08-08

申请号：US18499565

申请日：2023-11-01

Applicant: Samsung Display Co., LTD.

Inventor： YOUNGKUK KIM ,  SUNGIN RO

IPC: G06F3/041 ,  G09G3/3233

CPC classification number: G06F3/04184 ,  G06F3/04162 ,  G09G3/3233 ,  G06F3/0446 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2354/00

Abstract: An electronic device includes a display layer having pixels and configured to operate in units of one frame including a blank period and a data input period, and a sensor layer disposed on the display layer, and configured to sense a first type input and a second type input different from the first type input, wherein the sensor layer may be driven to sense the first type input and the second type input in the blank period, and, in one frame, a number of times that the second type input is sensed may be greater than a number of times that the first type input is sensed.