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公开(公告)号：US11948484B2
公开(公告)日：2024-04-02
申请号：US18328202
申请日：2023-06-02
Applicant: Samsung Electronics Co., Ltd.
Inventor： Seungkyu Choi , Hanyuool Kim , Taehyeong Kim , Yunpyo Hong
IPC: G09G3/00 , G06F1/16 , G09G3/3208
CPC classification number: G09G3/006 , G06F1/1652 , G09G3/035 , G09G3/3208 , G09G2320/046
Abstract: An electronic device with a rollable display may include the operations of: obtaining global burn-in information and local burn-in information according to a designated sampling period; on the basis of the result of analyzing the global burn-in information, predicting whether burn-in will at least partially occur in the entire area of a display area; when burn-in is predicted to at least partially occur in a boundary area, generating a first compensation map including pieces of local compensation data calculated to correspond to m block areas of the boundary area, respectively; when burn-in is predicted to at least partially occur in an area remaining after excluding the boundary area from the entire area, generating a second compensation map including pieces of global compensation data calculated to correspond to n block areas of the entire area, respectively; and controlling the rollable display to display image data compensated on the basis of the first compensation map or the second compensation map.
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公开(公告)号：US20240105087A1
公开(公告)日：2024-03-28
申请号：US18471747
申请日：2023-09-21
Applicant: LX SEMICON CO., LTD.
Inventor： Seok Jin JEONG , Bong Sin KWAK , Man Jung KIM , Myung Yu KIM , Kwang Hee YOON
CPC classification number: G09G3/006 , G06F11/1004 , G09G2380/10
Abstract: The present disclosure provides a display device for inspecting image data that may include a data processing device configured to generate first cyclic redundancy check (CRC) data for a partial area among areas of image data included in a first frame to transmit the image data of the first frame and the first CRC data and a data driving device configured to receive the image data of the first frame and the first CRC data from the data processing device to generate second CRC data for a partial area among areas of the image data included in the first frame on the basis of the image data of the first frame and to compare the first CRC data with the second CRC data to determine whether there is an error in the partial area among areas of the image data included in the first frame.
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公开(公告)号：US11935443B2
公开(公告)日：2024-03-19
申请号：US17895701
申请日：2022-08-25
Applicant: LG Display Co., Ltd.
Inventor： Yeong Yu , Jong Ju Hong
CPC classification number: G09G3/006 , G06V10/25 , G09G2320/0626 , G09G2340/0407
Abstract: A display defect detection circuit of a display defect detection system includes a preprocessing circuit configured to receive a capture image of a test pattern, displayed by a display panel, as a panel image including target Mura having a repetitive characteristic and preprocess the panel image to output a preprocessing image and a Mura detection circuit configured to decrease a total size of the preprocessing image on the basis of a size of the target Mura to generate a resize image, detect an edge component in the resize image to generate an edge map image having feature values, remove a feature value of a non-repetitive type among the feature values of the edge map image to generate a feature map image, and detect a display position of the target Mura on the basis of a final feature value of the target Mura calculated based on the feature map image.
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公开(公告)号：US11930672B2
公开(公告)日：2024-03-12
申请号：US17130681
申请日：2020-12-22
Applicant: LG DISPLAY CO., LTD.
Inventor： Yeong-Yun Yang
IPC: H01L27/32 , G02F1/13 , G02F1/1345 , G02F1/1362 , G09G3/00 , H10K59/121 , H10K59/131 , G09G3/3225 , G09G3/3275 , H01L21/70
CPC classification number: H10K59/131 , G09G3/006 , H10K59/1213 , G02F1/1309 , G02F1/13458 , G02F1/136254 , G09G3/3225 , G09G3/3275 , G09G2300/0426 , G09G2330/12
Abstract: A display device includes a substrate including a display area and a non-display area, the display area including pixels; data lines extending into the display area and connected to pixels; a first input pad in the non-display area and connected to the data lines; a switching transistor located in the non-display area between the first input pad and one side of the substrate and connected to the first input pad; and a second input pad in the non-display area and connected to a gate electrode of the switching transistor through a switching line.
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公开(公告)号：US20240078942A1
公开(公告)日：2024-03-07
申请号：US18140001
申请日：2023-04-27
Applicant: FOSHAN NATIONSTAR OPTOELECTRONICS CO., LTD.
Inventor： Kuai QIN , Heng GUO , Shaojia XIE , Bin CAI , Caineng HUO , Kailiang FAN
IPC: G09G3/00 , H01L25/075 , H01L27/15 , H01L33/62
CPC classification number: G09G3/006 , H01L25/0753 , H01L27/156 , H01L33/62 , G09G2330/12
Abstract: A display module includes a substrate, m rows and n columns of pad sets, m*n sets of light emitting chip sets and multiple pins. The substrate includes a first surface and a second surface disposed opposite to each other. Each set of pad sets among the m rows and n columns of pad sets includes three pairs of pads, and first pads in the each set of pad sets are electrically connected. In a same set of light emitting chips, each of first electrodes of the light emitting chips is connected to a respective one of first pads of one set of pad sets among the m rows and n columns of pad sets, and each of second electrodes of the light emitting chips is connected to a respective one of second pads of a same set of pad sets.
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Patent Agency Ranking
公开(公告)号：US11922852B2
公开(公告)日：2024-03-05
申请号：US16972901
申请日：2020-10-22
Inventor： Wenfang Li
CPC classification number: G09G3/2092 , G09G3/006 , G09G2330/028 , G09G2330/12
Abstract: A display device and a driving system thereof are provided. The driving system of the display device includes a control module, a voltage conversion module, and a detection module which are interconnected. The detection module is added in the driving system of the display device to ensure that the voltage conversion module outputs a stable target voltage when the voltage conversion module is operated normally.
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公开(公告)号：US11922838B2
公开(公告)日：2024-03-05
申请号：US17628228
申请日：2021-04-13
Inventor： Yu Wang , Yi Zhang , Tingliang Liu , Chang Luo , Hao Zhang , Huijuan Yang , Tinghua Shang , Yang Zhou , Pengfei Yu , Shun Zhang , Xiaofeng Jiang , Huijun Li , Linhong Han
IPC: G09G3/00 , H10K59/131
CPC classification number: G09G3/006 , H10K59/131
Abstract: A display panel, comprising a first insulating structural layer, a first crack detection line, a second insulating structural layer and a second crack detection line which are sequentially arranged on a substrate, wherein the first crack detection line and the second crack detection line are both located in a peripheral area and are arranged around a display area, one end of the first crack detection line is configured to receive a detection signal, and the other end of the first crack detection line is configured to output a first output signal, and one end of the second crack detection line is configured to receive a detection signal and the other end of the second crack detection line is configured to output a second output signal.
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公开(公告)号：US20240074298A1
公开(公告)日：2024-02-29
申请号：US18310404
申请日：2023-05-01
Applicant: Samsung Display Co., Ltd.
Inventor： Jinho Kim , Namhyoung Kim , Jiyong Jung
IPC: H10K59/88 , G06F3/041 , G06F3/044 , G09G3/00 , G09G3/3233 , H10K59/131 , H10K59/40
CPC classification number: H10K59/88 , G06F3/0412 , G06F3/04164 , G06F3/0446 , G09G3/006 , G09G3/3233 , H10K59/131 , H10K59/40 , G09G2300/0819 , G09G2300/0842 , G09G2300/0861 , G09G2330/12 , G09G2354/00
Abstract: A display apparatus may include a substrate including a display area and a peripheral area, pixel circuits in the display area, data lines in the display area and connected to the pixel circuits, first circuit driving signal lines in the peripheral area, and configured to transmit a first circuit driving signal to drive the pixel circuits, a data test pad portion at the peripheral area, and including data test pads connected to the data lines, a pad portion on the peripheral area, and including first circuit pads connected to the first circuit driving signal lines, a first test pad portion at the peripheral area, and including first circuit test pads connected to the first circuit pads, and a second test pad portion at the peripheral area, and including second circuit test pads connected to the first circuit test pads.
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公开(公告)号：US11917876B2
公开(公告)日：2024-02-27
申请号：US17778504
申请日：2021-06-21
Inventor： Cong Liu , Hongjun Zhou , Lili Du , Feng Wei
IPC: G09G3/3266 , H10K59/131 , G09G3/00 , H10K59/88 , G09G3/3225
CPC classification number: H10K59/131 , G09G3/006 , G09G3/3266 , H10K59/88 , G09G3/3225 , G09G2300/0408 , G09G2300/0842 , G09G2300/0861 , G09G2310/0281 , G09G2330/04 , G09G2330/12
Abstract: Disclosed is a display substrate, including: a base including a display region and a peripheral region; sub-pixels in the display region; data lines in at least the display region and extending in a first direction and electrically connected to the sub-pixels; gate lines in at least the display region and extending in a second direction intersecting with the first direction, and electrically connected to the sub-pixels; pads in the peripheral region; data leads in the peripheral region and electrically connected to the data lines and the pads; a gate driver circuit in the peripheral region and electrically connected to the gate lines; gate drive lines in the peripheral region and electrically connected to the gate driver circuit; gate leads in the peripheral region and extending in the first direction, which are electrically connected to the gate drive lines and the pads and located between the data leads.
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公开(公告)号：US11915630B2
公开(公告)日：2024-02-27
申请号：US18197971
申请日：2023-05-16
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Sungjin Lim
IPC: G09G3/00 , G09G3/3233 , G09G3/20
CPC classification number: G09G3/006 , G09G3/2096 , G09G3/3233 , G09G2300/0842 , G09G2310/0264 , G09G2330/027 , G09G2330/12
Abstract: A display apparatus includes: a display panel including a first region and a second region; a controller to process source data and to generate an image signal; a timing controller to generate a driving signal for driving the display panel based on the image signal; and a cable connected to the display panel and to transmit the driving signal to the display panel. The controller transmits, to the timing controller, a pattern image signal for displaying a pattern image on the first and the second regions in a sequential manner; and determines a connection state of the cable based on (i) a first current value, which is output based on the pattern image displayed in the first region and (ii) a second current value, which is output based on the pattern image displayed in the second region.
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