公开(公告)号：US20240290132A1

公开(公告)日：2024-08-29

申请号：US18523607

申请日：2023-11-29

Applicant: Samsung Display Co., Ltd.

Inventor： Kwang Soo BAE ,  Hyang A PARK ,  Tae Kyung AHN ,  Hyun Dae LEE ,  Kang Bin JO ,  Soo Yeong HONG

IPC: G06V40/13

CPC classification number: G06V40/1318

Abstract: A display device includes: a base; light emitting element groups on one surface of the base, and each including a plurality of light emitting elements arranged in a first direction; and light receiving element groups on the one surface of the base, and each including a plurality of light receiving elements arranged in the first direction, wherein the light emitting element groups are arranged in a second direction, wherein the light receiving element groups are adjacent and parallel to the light emitting element groups, and wherein, based on a first light emitting element group among the light emitting element groups emitting light, first sensing data is obtained, without emission of a second light emitting element group arranged in the second direction from the first light emitting element group, by using at least one first light receiving element group adjacent to the second light emitting element group.

公开(公告)号：US20240233435A9

公开(公告)日：2024-07-11

申请号：US18374547

申请日：2023-09-28

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Dae LEE ,  Il Nam KIM ,  Hyoung Wook JANG ,  Kang Bin JO ,  Go Eun CHA ,  Hee Chul HWANG

IPC: G06V40/13 ,  G06F1/16 ,  G06V40/12

CPC classification number: G06V40/1318 ,  G06F1/1643 ,  G06V40/1341 ,  G06V40/1365 ,  G06V2201/07

Abstract: A display device comprises a display panel comprising an image display area and a non-display area, display pixels comprising light-emitting elements in the image display area and pixel driving units connected to the light-emitting elements, light-sensing pixels comprising photo-detecting units in a fingerprint sensing area in the image display area, and sense driving units connected to the photo-detecting units, a light-sensing reset driver configured to supply reset signals to the sense driving units of the light-sensing pixels for at least each horizontal line among the light-sensing pixels in response to a line select signal from a display driving circuit; and a fingerprint scan driver configured to sequentially supply a fingerprint scan signal to the sense driving units of the light-sensing pixels in response to a fingerprint scan control signal from the display driving circuit.

公开(公告)号：US20240029470A1

公开(公告)日：2024-01-25

申请号：US18481351

申请日：2023-10-05

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jong Hyun LEE ,  Il Nam KIM ,  Kang Bin JO ,  Dong Wook YANG

IPC: G06V40/13 ,  G09G3/3208

CPC classification number: G06V40/1318 ,  G09G3/3208 ,  G09G2310/08 ,  G09G2300/0842 ,  G09G2310/061

Abstract: A display device includes light emitting and receiving pixels, a reset line, a fingerprint scan line, a fingerprint sensing line, and first and second voltage lines in a display region. Each light receiving pixel includes a light receiving element including a first electrode and a second electrode connected to the second voltage line, a sensing transistor connecting the first electrode to the fingerprint sensing line according to a fingerprint scan signal applied to the fingerprint scan line and a reset transistor to connect the first voltage line to the first electrode according to a reset signal applied to the reset line. A first voltage applied to the first voltage line is greater than a second voltage applied to the second voltage line, and a third voltage applied to the fingerprint sensing line is greater than the second voltage and smaller than the first voltage.

公开(公告)号：US20240161684A1

公开(公告)日：2024-05-16

申请号：US18387807

申请日：2023-11-07

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Dae LEE ,  Kang Bin JO ,  Il Nam KIM ,  Go Eun CHA ,  Hee Chul HWANG

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2300/0426 ,  G09G2300/0861 ,  G09G2310/061 ,  G09G2310/08

Abstract: A display device includes: a display panel; an emission driver; a scan driver; and a timing controller. The display panel includes light emitting pixels and photosensitive pixels, where the photosensitive pixels are operated in an initialization period, a light exposure period and a sensing period. The emission driver supplies emission control signals to emission control lines connected to the light emitting pixels, based on an emission start signal. The scan driver supplies scan signals to scan lines connected to the light emitting pixels and the photosensitive pixels, based on a scan start signal. The timing controller generates the emission start signal having a single pulse of a gate-off level and the scan start signal having a single pulse of a gate-on level in a last frame period among frame periods corresponding to the light exposure period and in each of frame periods corresponding to the sensing period.

公开(公告)号：US20240134478A1

公开(公告)日：2024-04-25

申请号：US18463400

申请日：2023-09-07

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Byung Han YOO ,  Jung Woo PARK ,  Hyang A PARK ,  Dae Young LEE ,  Hyun Dae LEE ,  Kang Bin JO ,  Sang Hwan CHO ,  Sung-Chan JO

IPC: G06F3/041 ,  G06F3/04817 ,  G06F3/0488 ,  G06F21/32 ,  G06Q20/10 ,  G06Q20/40 ,  G06V40/12 ,  G06V40/13

CPC classification number: G06F3/04166 ,  G06F3/04817 ,  G06F3/0488 ,  G06F21/32 ,  G06Q20/108 ,  G06Q20/40145 ,  G06V40/1306 ,  G06V40/1365 ,  G06F2203/04104

Abstract: A method of driving an electronic device includes displaying a plurality of fingerprint recognition icons on a display device configured to perform fingerprint recognition, and releasing a lock state of the display device through a fingerprint authentication process upon determining at least one first fingerprint recognition icon among the plurality of fingerprint recognition icons is touched. The plurality of fingerprint recognition icons include at least one first fingerprint recognition icon configured to support the fingerprint recognition and at least one second fingerprint recognition icon configured to not support the fingerprint recognition.

公开(公告)号：US20230402014A1

公开(公告)日：2023-12-14

申请号：US18191765

申请日：2023-03-28

Applicant: Samsung Display Co., LTD.

Inventor： Il Nam KIM ,  Hyun Dae LEE ,  Kang Bin JO ,  Go Eun CHA ,  Hee Chul HWANG

IPC: G09G3/3266 ,  G06V40/13 ,  G06F3/041

CPC classification number: G09G3/3266 ,  G06V40/1318 ,  G06F3/04184 ,  G09G2360/14 ,  G09G2354/00 ,  G09G2310/061

Abstract: A display device includes: a display panel; a scan driver to provide scan signals to scan lines; an emission driver to provide emission control signals to emission control lines; and a readout circuit to receive a sensing signal from a readout line. The display panel includes: a first pixel in a first row, and connected to a first sub-scan line from among the scan lines, and a first emission control line; a first photo sensor in the first row, and connected to the first sub-scan line, a reset control line, and the readout line; a second pixel in a second row, and connected to a second sub-scan line from among the scan lines, and a second emission control line; and a second photo sensor in the second row, and connected to the second sub-scan line, a third emission control line, and the readout line.

公开(公告)号：US20230154411A1

公开(公告)日：2023-05-18

申请号：US17887973

申请日：2022-08-15

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Dae LEE ,  Il Nam KIM ,  Seung Hyun MOON ,  Dong Wook YANG ,  Kang Bin JO ,  Go Eun CHA

IPC: G09G3/3266 ,  G06V40/13

CPC classification number: G09G3/3266 ,  G06V40/1318 ,  G09G2310/08 ,  G09G2310/0294 ,  G09G2300/0828 ,  G09G2360/14 ,  G09G2310/061

Abstract: A display device comprises a display panel which comprises scan lines, sensing lines, pixels electrically connected to each of the scan lines, and photo sensors electrically to each of the scan lines and the sensing lines, a scan driver which outputs scan signals to the scan lines according to a scan control signal, a timing controller which outputs the scan control signal to the scan driver, and a readout circuit which receives light sensing signals of the photo sensors from the sensing lines. The timing controller sets a frame frequency of the scan control signal to a first frame frequency in a first mode in which the display panel displays an image. The timing controller sets the frame frequency of the scan control signal to a second frame frequency in a second mode in which the photo sensors sense a fingerprint.

公开(公告)号：US20250022308A1

公开(公告)日：2025-01-16

申请号：US18901115

申请日：2024-09-30

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Il Nam KIM ,  Seung Hyun MOON ,  Dong Wook YANG ,  Hyun Dae LEE ,  Kang Bin JO ,  Go Eun CHA ,  Hee Chul HWANG

IPC: G06V40/13 ,  G09G3/3233 ,  H10K39/34 ,  H10K59/131

Abstract: A display device including: scan lines including first and second scan lines; pixels connected to the scan lines; photo sensors connected to some of the scan lines, the photo sensors including a first photo sensor connected to the first scan line and a readout line, and a second photo sensor connected to the second scan line and the readout line; a scan driver to provide scan signals to the scan lines; and a readout circuit to receive, through the readout line, detection signals which are outputted from the photo sensors in response to the scan signals, wherein, while the scan signals are provided to the first and second scan lines, the readout circuit samples a detection signal of one of the first photo sensor and the second photo sensor without sampling a detection signal of the other one of the first photo sensor and the second photo sensor.

公开(公告)号：US20240078836A1

公开(公告)日：2024-03-07

申请号：US18505063

申请日：2023-11-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kyung Tea PARK ,  Jong Hyun LEE ,  Kang Bin JO ,  Go Eun CHA

IPC: G06V40/13 ,  G09G3/20

CPC classification number: G06V40/1306 ,  G06V40/1318 ,  G09G3/2092 ,  G09G2310/0275 ,  G09G2330/028

Abstract: An input sensing device includes: sensor pixels, a horizontal driver, a selection circuit, and a vertical driver. Each of the sensor pixels is connected to a plurality of driving lines and a one of a plurality of signal input lines. The horizontal driver sequentially applies a horizontal driving signal to the sensor pixels through the driving lines. The selection circuit is connected to n of the signal input lines (n is a natural number of 2 or more) and to one output line. The selection circuit sequentially outputs n sensing signals received through the n signal input lines to the one output line. The vertical driver receives the n sensing signals through the one output line. The horizontal driver applies the horizontal driving signal n times to a given one of the driving lines to correspond to the n sensing signals.

公开(公告)号：US20220317852A1

公开(公告)日：2022-10-06

申请号：US17453936

申请日：2021-11-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kyung Tea PARK ,  Hyun Dae LEE ,  Kang Bin JO ,  Jong Hyun LEE

IPC: G06F3/041 ,  G06F3/044 ,  G06V40/13

Abstract: A display device includes a display panel including a plurality of touch electrodes, a touch driving circuit electrically connected to the plurality of touch electrodes, and a fingerprint sensor device disposed on one surface of the display panel and including a plurality of unit blocks. The fingerprint sensor device includes a plurality of fingerprint scan lines extending in a first direction, a plurality of fingerprint sensing lines extending in a second direction crossing the first direction, a plurality of sensor pixels respectively connected to the plurality of fingerprint scan lines and the plurality of fingerprint sensing lines, and a fingerprint scan driver having a plurality of stages for applying a fingerprint scan signal to each of the plurality of fingerprint scan lines. The touch driving circuit applies a start signal to the fingerprint scan driver.