公开(公告)号：US20250040346A1

公开(公告)日：2025-01-30

申请号：US18678113

申请日：2024-05-30

Applicant: Samsung Display Co., LTD.

Inventor： KWANHEE LEE ,  KIHOON PARK ,  KOHEI EBISUNO ,  JOONHYOUNG PARK ,  SE WAN SON ,  SANGHOON OH ,  JISEON LEE ,  JAESOO JUNG ,  HYERI CHO

IPC: H10K59/121 ,  H10K59/12 ,  H10K59/122 ,  H10K59/123 ,  H10K71/60 ,  H10K102/10

Abstract: A display panel includes a base layer, a circuit element layer, and a light-emitting element layer. The circuit element layer includes a power electrode, and an auxiliary electrode disposed on a side surface of the power electrode. The light-emitting element layer includes a pixel defining film that defines a pixel opening, a conductive partition wall disposed on the pixel defining film, a lower electrode disposed in the pixel opening, a light-emitting pattern disposed on the lower electrode, and an upper electrode disposed on the light-emitting pattern. The conductive partition wall includes a first conductive layer disposed on the pixel defining film, and a second conductive layer, and a side surface of the second conductive layer more protrudes than a side surface of the first conductive layer. The upper electrode is electrically connected to the power electrode via the auxiliary electrode.

公开(公告)号：US20210202646A1

公开(公告)日：2021-07-01

申请号：US17197449

申请日：2021-03-10

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： KOHEI EBISUNO ,  Yong Ho YANG ,  Jun Hee LEE ,  Nak Cho CHOI

IPC: H01L27/32 ,  H01L51/52

Abstract: An organic light emitting diode display includes a substrate, a plurality of pixels disposed on the substrate, a plurality of transmissive windows spaced apart from the pixels, and a light blocking member disposed between one of the pixels and one of the transmissive windows. The pixels display an image, and light is transmitted through the transmissive windows. Each pixel includes a transistor including a plurality of electrode members disposed in different layers on the substrate. The light blocking member includes a plurality of light blocking sub-members respectively disposed in the same layers as the plurality of electrode members.

公开(公告)号：US20200185537A1

公开(公告)日：2020-06-11

申请号：US16414266

申请日：2019-05-16

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： KOHEI EBISUNO ,  Sungjun Kim ,  Donghyun Son ,  Jaesoo Jung ,  Sunghoon Moon ,  Jingoo Jung

IPC: H01L29/786 ,  H01L27/32 ,  H01L27/12 ,  H01L21/02 ,  H01L21/306 ,  H01L29/66

Abstract: A thin film transistor includes an active layer including a first portion having a first thickness and a second portion having a second thickness greater than the first thickness, a capping layer filling a thickness difference between the first portion and the second portion and arranged on the first portion, a gate insulating layer arranged on the capping layer, a gate electrode on the active layer, wherein the gate insulating layer and the capping layer are disposed between the gate electrode and the active layer, and a source electrode and a drain electrode connected to the active layer.

公开(公告)号：US20180040682A1

公开(公告)日：2018-02-08

申请号：US15582908

申请日：2017-05-01

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： KOHEI EBISUNO ,  YONG HO YANG ,  JUN HEE LEE ,  NAK CHO CHOI

IPC: H01L27/32 ,  H01L51/52

CPC classification number: H01L27/3272 ,  H01L27/1214 ,  H01L27/3258 ,  H01L27/326 ,  H01L27/3262 ,  H01L27/3276 ,  H01L51/5281 ,  H01L2251/5315

Abstract: An organic light emitting diode display includes a substrate, a plurality of pixels disposed on the substrate, a plurality of transmissive windows spaced apart from the pixels, and a light blocking member disposed between one of the pixels and one of the transmissive windows. The pixels display an image, and light is transmitted through the transmissive windows. Each pixel includes a transistor including a plurality of electrode members disposed in different layers on the substrate. The light blocking member includes a plurality of light blocking sub-members respectively disposed in the same layers as the plurality of electrode members.

公开(公告)号：US20250081820A1

公开(公告)日：2025-03-06

申请号：US18790774

申请日：2024-07-31

Applicant: Samsung Display Co., Ltd.

Inventor： JAESOO JUNG ,  KOHEI EBISUNO ,  MOOSOON KO ,  SUNGGEUN BAE ,  SE WAN SON ,  SANGHOON OH ,  MINWOO WOO ,  KWANHEE LEE ,  WANGWOO LEE ,  JISEON LEE

IPC: H10K59/80 ,  H10K59/12 ,  H10K59/122 ,  H10K59/88

Abstract: A display panel includes a base layer, a pixel defining film on the base layer and including an inorganic material, a bank layer on the pixel defining film and having a plurality of pixel openings, a plurality of light-emitting elements respectively located in the plurality of pixel openings, each of the plurality of light-emitting elements including an anode, a light-emitting pattern, and a cathode, the cathode being in contact with the bank layer, and a lower encapsulation pattern on the bank layer and including a portion on the bank layer. The lower encapsulation pattern includes a first lower encapsulation pattern on the cathode and the bank layer, the first lower encapsulation pattern including a first material, and a second lower encapsulation pattern on the first lower encapsulation pattern, the second lower encapsulation pattern including a second material different from the first material, and a tip portion.

公开(公告)号：US20200243632A1

公开(公告)日：2020-07-30

申请号：US16843489

申请日：2020-04-08

Applicant: SAMSUNG DISPLAY CO,, LTD.

Inventor： JUN HEE LEE ,  IN JUN BAE ,  KOHEI EBISUNO

IPC: H01L27/32 ,  G09G3/3233 ,  H01L29/786 ,  H01L29/04 ,  G09G3/3291 ,  G09G3/3266 ,  G09G3/3258 ,  G09G3/3241

Abstract: A display device includes a scan line that extends in a first direction on a substrate and that transmits a scan signal; a data line that extends in a second direction that intersects the first direction and that transmits a data signal; a driving voltage line that extends in the second direction and that transmits a driving voltage; a transistor that includes a second transistor connected to the scan line and the data line and a first transistor connected to the second transistor; a light emitting device connected to the transistor; and a conductive pattern disposed between the substrate and the first transistor, where each of the first and second transistors includes an active pattern with a stacked first semiconductor layer and a second semiconductor layer, which have different crystalline states.

公开(公告)号：US20180069069A1

公开(公告)日：2018-03-08

申请号：US15490661

申请日：2017-04-18

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： KOHEI EBISUNO ,  AE SHIN ,  YONG HO YANG ,  JUN HEE LEE ,  NAK CHO CHOI

IPC: H01L27/32

CPC classification number: H01L27/3272 ,  H01L27/3216 ,  H01L27/3246 ,  H01L27/326 ,  H01L27/3262 ,  H01L27/3265 ,  H01L27/3276

Abstract: An organic light emitting diode display includes a substrate, a plurality of pixels disposed on the substrate, and a plurality of transmitting windows configured to transmit light therethrough. The plurality of transmitting windows is spaced apart from the plurality of pixels. Each of the plurality of pixels includes a transistor and a capacitor. The transistor includes a light-blocking electrode disposed on the substrate and a plurality of electrode members disposed at different layers on the light-blocking electrode. The capacitor includes a first capacitor electrode disposed on a same layer as the light-blocking electrode, and a second capacitor electrode disposed on a same layer as a first one of the plurality of electrode members to overlap the first capacitor electrode.