公开(公告)号：US20210265537A1

公开(公告)日：2021-08-26

申请号：US17076009

申请日：2020-10-21

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Ha Yeon SHIN ,  Jong Woo PARK ,  Dae Youn CHO ,  Young Tae CHOI

IPC: H01L33/54 ,  G09G3/20 ,  H01L33/56

Abstract: A display device may include a substrate. A first light emitting element is disposed on the substrate. A second light emitting element is disposed on the substrate and is positioned adjacent to the first light emitting element. A first encapsulation layer is disposed on the first light emitting element and the second light emitting element. A light path control layer is disposed on the first encapsulation layer. The light path control layer includes a first pattern overlapping the first light emitting element and having a first refractive index and a second pattern overlapping the second light emitting element and having a second refractive index that is greater than the first refractive index.

公开(公告)号：US20190304378A1

公开(公告)日：2019-10-03

申请号：US16372927

申请日：2019-04-02

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dae Youn CHO ,  Sang Kil KIM ,  Hyo Jung KIM ,  Jong Woo PARK ,  Dong Gi AHN ,  Jong Won LEE ,  Ju Hee LEE ,  Young Tae CHOI

IPC: G09G3/3291 ,  G09G3/3266 ,  G09G3/3233 ,  G09G3/20 ,  G09G3/00 ,  H01L27/32 ,  H01L51/50

Abstract: An organic light emitting display device includes scan lines arranged in horizontal lines, data lines intersecting the scan lines, a pixel array including pixels coupled to the scan lines and the data lines, the pixels including at least first color pixels, a panel tester including switching elements coupled to first ends of the data lines, the switching elements including at least first and second switching elements, and a first line coupled to the first switching elements and a second line coupled to the second switching elements. Data lines of K-th to (K+L)-th (where K and L are natural numbers) first color pixels arranged in a predetermined horizontal line are coupled to the first line through the first switching elements, and data lines of at least a part of remaining first color pixels arranged in the predetermined horizontal line are coupled to the second line through the second switching elements.

公开(公告)号：US20210343248A1

公开(公告)日：2021-11-04

申请号：US17372929

申请日：2021-07-12

Applicant: Samsung Display Co., Ltd.

Inventor： Dae Youn CHO ,  Sang Kil KIM ,  Hyo Jung KIM ,  Jong Woo PARK ,  Dong Gi AHN ,  Jong Won LEE ,  Ju Hee LEE ,  Young Tae CHOI

IPC: G09G3/3291 ,  H01L51/50 ,  G09G3/00 ,  H01L27/32 ,  G09G3/20 ,  G09G3/3233 ,  G09G3/3266

Abstract: An organic light emitting display device includes scan lines arranged in horizontal lines, data lines intersecting the scan lines, a pixel array including pixels coupled to the scan lines and the data lines, the pixels including at least first color pixels, a panel tester including switching elements coupled to first ends of the data lines, the switching elements including at least first and second switching elements, and a first line coupled to the first switching elements and a second line coupled to the second switching elements. Data lines of K-th to (K+L)-th (where K and L are natural numbers) first color pixels arranged in a predetermined horizontal line are coupled to the first line through the first switching elements, and data lines of at least a part of remaining first color pixels arranged in the predetermined horizontal line are coupled to the second line through the second switching elements.

公开(公告)号：US20200044008A1

公开(公告)日：2020-02-06

申请号：US16513316

申请日：2019-07-16

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Ju Hee LEE ,  Jongwoo PARK ,  Youngtae CHOI ,  Dae Youn CHO

IPC: H01L27/32 ,  H01L51/00

Abstract: A display apparatus includes a substrate; a lower conductive layer including a protective pattern and an auxiliary conductive pattern on the substrate; a buffer layer on the lower conductive layer; an active pattern on the buffer layer and overlapping the protective pattern; a first insulation layer on the active pattern; and a first conductive layer on the first insulation layer, the first conductive layer including a gate electrode overlapping the active pattern and a load matching line overlapping the auxiliary conductive pattern.

公开(公告)号：US20190318690A1

公开(公告)日：2019-10-17

申请号：US16374675

申请日：2019-04-03

Applicant: Samsung Display Co., Ltd.

Inventor： Ju Hee LEE ,  Dae Youn CHO ,  Jong Woo PARK ,  Young Tae CHOI

IPC: G09G3/3233 ,  G09G3/3291 ,  G09G3/3266 ,  H01L27/32

Abstract: A display device includes a pixel, a first control pad, a second control pad, and a first dummy pad. The pixel may emit light with luminance corresponding to a data signal. Supply of the data signal to the pixel depends on a first control signal and a second control signal. The first control pad is connected to a first control line for supplying the first control signal. The second control pad is connected to a second control line for supplying the second control signal. The first dummy pad is positioned between the first control pad and the second control pad and may receive a first dummy signal. A voltage level of the first dummy signal is in a range from a voltage level of the first control signal to a voltage level of the second control signal.

公开(公告)号：US20240334782A1

公开(公告)日：2024-10-03

申请号：US18509311

申请日：2023-11-15

Applicant: Samsung Display Co., LTD.

Inventor： June Hwan KIM ,  Chang Min SONG ,  Dong Gi AHN ,  Seok Won JEONG ,  Dae Youn CHO

IPC: H10K59/80 ,  H10K59/122 ,  H10K59/131 ,  H10K59/35

CPC classification number: H10K59/871 ,  H10K59/122 ,  H10K59/1315 ,  H10K59/353 ,  H10K59/874 ,  H10K59/8793

Abstract: A display device includes a substrate, a circuit layer, a light emitting element layer, a sealing layer, and a polarization layer. A main area of the substrate includes a display area including emission areas and a non-display area disposed around the display area, the non-display area includes a dam area spaced apart from the display area, the dam area including at least one dam portion surrounding the display area. The non-display area also including a bonding area that surrounds the dam area, the circuit layer includes a buffer portion disposed in a part of the bonding area adjacent to the sub-area, the buffer portion being spaced apart from each of the sub-area and the dam area, and the polarization layer extends to the non-display area and overlaps the buffer portion.

公开(公告)号：US20200058241A1

公开(公告)日：2020-02-20

申请号：US16507225

申请日：2019-07-10

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jiho MOON ,  Dae Youn CHO ,  Jongwoo PARK ,  Ju Hee LEE ,  Youngtae CHOI

IPC: G09G3/00 ,  G09G3/3225 ,  H01L27/32

Abstract: A wiring-disconnection detecting circuit includes a low-power voltage supply, a monitoring wiring, and a wiring-disconnection determiner. The low-power voltage supply supplies a low-power voltage to a low-power voltage wiring that extends along a periphery of a display panel in a normal operating mode of the display panel and supplies a test voltage to the low-power voltage wiring in a wiring-disconnection detecting mode of the display panel. The monitoring wiring includes a first end connected to one point of the low-power voltage wiring and a second end at which a feedback voltage corresponding to the test voltage is output in the wiring-disconnection detecting mode. The wiring-disconnection determiner receives the feedback voltage from the second end, measures an RC delay of the feedback voltage, and determines that the low-power voltage wiring is disconnected when the RC delay is larger than a predetermined reference value.

公开(公告)号：US20200033914A1

公开(公告)日：2020-01-30

申请号：US16408953

申请日：2019-05-10

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyo Jung KIM ,  Tae Young KIM ,  Jong Woo PARK ,  Dae Youn CHO ,  Ki Ju IM ,  Young Tae CHOI

IPC: G06F1/16 ,  H01L27/12 ,  H01L51/00

Abstract: A display device includes a flexible substrate, a display element on the flexible substrate and including a thin film transistor, a metal layer disposed at a lower portion of the flexible substrate, and an air layer formed between the flexible substrate and the metal layer.

公开(公告)号：US20210223096A1

公开(公告)日：2021-07-22

申请号：US17153678

申请日：2021-01-20

Applicant: Samsung Display Co., LTD.

Inventor： Dae Youn CHO ,  Eu Gene KIM ,  Ji Ho MOON ,  Jong Woo PARK ,  Young Tae CHOI

IPC: G01J1/42 ,  G09G3/3275

Abstract: An optical measurement device includes an optical sensor which measures an optical waveform of a reference object or a measurement object, a learner which receives a first optical waveform of the reference object from the optical sensor and learns frequency characteristics of the first optical waveform, a filter generator which analyzes the frequency characteristics of the first optical waveform and generates a frequency filter, a frequency modeling unit which receives a second optical waveform of the measurement object from the optical sensor and models frequency characteristics of the second optical waveform, and an optical characteristic detector which calculates an optical characteristic index of the second optical waveform based on an output value of the frequency modeling unit and the frequency filter.

公开(公告)号：US20200243006A1

公开(公告)日：2020-07-30

申请号：US16567578

申请日：2019-09-11

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyo Jung KIM ,  Tae Young KIM ,  Yong Sung Park ,  Jong Woo Park ,  Mi Seon SEO ,  Keun Soo LEE ,  Ki Ju IM ,  Dae Youn CHO ,  Young Tae CHOI ,  Hyun Cheol HWANG

IPC: G09G3/3233 ,  H01L27/32

Abstract: A display device includes a plurality of pixels. Each pixel includes a first transistor that controls an amount of current received from a first power supply voltage line connected via a second node to an organic light emitting diode in response to a voltage of a first node, a second transistor connected between a data line and the second node and that includes a first gate electrode connected to a first scan line, a light emitting line connected to a gate electrode of at least one light emitting transistor located in a current path between the first power supply voltage line and the organic light emitting diode, and a seventh transistor connected between one of at least one second gate electrode of the second transistor and the light emitting line. Accordingly, a threshold voltage of a switching transistor included in each of the plurality of pixels may be negatively shifted.