公开(公告)号：US20250104621A1

公开(公告)日：2025-03-27

申请号：US18971981

申请日：2024-12-06

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Kouhei TOYOTAKA ,  Daiki NAKAMURA

IPC: G09G3/3225 ,  G06F3/01 ,  G06F3/02 ,  G06F3/0354 ,  G06F3/041 ,  G09G3/20 ,  H10K50/86 ,  H10K59/131 ,  H10K59/38 ,  H10K59/40

Abstract: A novel display panel that is highly convenient or reliable is provided. The display panel includes a display region, a first functional layer, and a second functional layer. The display region includes a pixel, and the pixel includes a display element and a pixel circuit. The first functional layer includes the pixel circuit, a scan line, and a first connection portion. The display element is electrically connected to the pixel circuit, and the pixel circuit is electrically connected to the scan line. The second functional layer includes a region overlapping with the first functional layer, the second functional layer includes a driver circuit and a wiring, and the driver circuit is provided so that the pixel circuit is positioned between the driver circuit and the display element. The wiring is electrically connected to the scan line at the first connection portion, and the wiring is electrically connected to the driver circuit.

公开(公告)号：US20250072212A1

公开(公告)日：2025-02-27

申请号：US18723662

申请日：2022-12-15

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Daiki NAKAMURA ,  Hisao IKEDA ,  Ryo HATSUMI ,  Takeya HIROSE ,  Yosuke TSUKAMOTO

IPC: H10K59/121 ,  H10K59/35

Abstract: An electronic device with low power consumption is provided. The electronic device includes a first display device and a second display device. The first display device includes a first display portion, and the second display device includes a second display portion. A plurality of first pixels are arranged in the first display portion, and a plurality of second pixels are arranged in the second display portion. The first display device overlaps with the second display device. The second display portion is provided to surround at least part of the first display portion in a plan view. The area occupied by each of the first pixels is smaller than the area occupied by each of the second pixels.

公开(公告)号：US20250048909A1

公开(公告)日：2025-02-06

申请号：US18718878

申请日：2022-12-16

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Yuichi YANAGISAWA ,  Daiki NAKAMURA ,  Hiromi SAWAI ,  Ryota HODO

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

Abstract: A display apparatus with high display quality is provided. In the display apparatus, a dummy pixel portion is a region that does not contribute to display. The dummy pixel portion is positioned adjacent to the outside of a pixel portion in a plan view. The pixel portion includes a first insulating layer, a first pixel electrode and a second pixel electrode over the first insulating layer, a first layer over the first pixel electrode, a second layer over the second pixel electrode, and a common electrode over the first layer and the second layer. The dummy pixel portion includes the first insulating layer, a first conductive layer and a second conductive layer over the first insulating layer, a third layer over the first conductive layer, a fourth layer over the second conductive layer, and the common electrode over the third layer and the fourth layer. The first insulating layer includes a first groove and a second groove. The first groove includes a first region overlapping with the first pixel electrode and a second region overlapping with the second pixel electrode. The second groove includes a third region overlapping with the first conductive layer and a fourth region overlapping with the second conductive layer.

公开(公告)号：US20250024737A1

公开(公告)日：2025-01-16

申请号：US18712749

申请日：2022-12-09

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Ryo HATSUMI ,  Hisao IKEDA ,  Daiki NAKAMURA ,  Takeya HIROSE ,  Yosuke TSUKAMOTO

IPC: H10K59/80 ,  G02B27/01 ,  G09G3/3275 ,  H10K59/65

Abstract: An electronic device with low power consumption is provided. The electronic device includes a first pixel portion and a second pixel portion. A plurality of first pixels are arranged in the first pixel portion. The second pixel portion includes a first region where a plurality of second pixels are arranged and a second region where a plurality of third pixels are arranged. The second region is provided to surround the first region. The first pixel includes a first light-emitting element, the second pixel includes a light-receiving element, and the third pixel includes a second light-emitting element. The area occupied by one of the first pixels is smaller than the area occupied by one of the third pixels.

公开(公告)号：US20240349579A1

公开(公告)日：2024-10-17

申请号：US18685268

申请日：2022-08-18

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Hisao IKEDA ,  Ryo HATSUMI ,  Daiki NAKAMURA ,  Takeya HIROSE

IPC: H10K59/80 ,  G06F3/042 ,  G06V40/13 ,  H10K30/87 ,  H10K39/34

CPC classification number: H10K59/879 ,  G06V40/1318 ,  H10K30/87 ,  H10K39/34 ,  H10K59/8792 ,  G06F3/042 ,  G06F2203/04108

Abstract: A display device having an image capturing function is provided. The display device includes a first pixel and a second pixel. The first pixel includes a light-emitting device. The second pixel includes a light-receiving device and a lens. The light-emitting device and the light-receiving device share an electrode. The lens and the light-receiving device include a region overlapping with each other. The width of the lens is greater than the width of a light-receiving portion of the light-receiving device. The cross-sectional shape of the lens in a thickness direction including an optical axis is a substantial trapezoid. The surface including a leg of the substantially trapezoidal shape has a convex shape. The surface including an upper base of the substantially trapezoidal shape and the light-receiving portion are provided to face each other. The first pixel and the second pixel are provided to be adjacent to each other.

公开(公告)号：US20240292697A1

公开(公告)日：2024-08-29

申请号：US18689899

申请日：2022-09-05

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Masahiro KATAYAMA ,  Yukinori SHIMA ,  Masataka NAKADA ,  Shingo EGUCHI ,  Daiki NAKAMURA ,  Koji KUSUNOKI

IPC: H10K59/32 ,  G09G3/3233 ,  H10K59/131 ,  H10K59/38 ,  H10K59/80

CPC classification number: H10K59/32 ,  H10K59/131 ,  H10K59/38 ,  H10K59/805 ,  G09G3/3233 ,  G09G2300/0814 ,  G09G2300/0842 ,  G09G2320/0223

Abstract: A display device in which a voltage drop is inhibited adequately is provided. The display device includes a first light-emitting device including a first light-emitting layer, a first charge-generation layer over the first light-emitting layer, and a second light-emitting layer over the first charge-generation layer; a first color filter overlapping with the first light-emitting device; a second light-emitting device including a third light-emitting layer, a second charge-generation layer over the third light-emitting layer, and a fourth light-emitting layer over the second charge-generation layer; a second color filter overlapping with the second light-emitting device; a common electrode included in the first light-emitting device and the second light-emitting device; and an auxiliary wiring electrically connected to the common electrode. The auxiliary wiring includes a first wiring layer and a second wiring layer, the second wiring layer is electrically connected to the first wiring layer through a contact hole of an insulating layer, and the second wiring layer has a lattice shape in a top view.

公开(公告)号：US20240224698A1

公开(公告)日：2024-07-04

申请号：US18557142

申请日：2022-04-15

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Daiki NAKAMURA ,  Kenichi OKAZAKI ,  Rai SATO

IPC: H10K59/38

CPC classification number: H10K59/38

Abstract: A high-resolution or high-definition display apparatus is provided. The display apparatus includes a first light-emitting element, a second light-emitting element, a first color filter, and a second color filter; the first light-emitting element and the second light-emitting element each have the capability to emit white light; the first color filter and the second color filter have the capability to transmit light of the respective colors in light emitted from the light-emitting elements; the first light-emitting element includes a first pixel electrode, a first EL layer over the first pixel electrode, and a common electrode over the first EL layer; the second light-emitting element includes a second pixel electrode over an insulating layer, a second EL layer over the second pixel electrode, and the common electrode over the second EL layer; the first light-emitting element includes a region where an angle between the side surface of the first pixel electrode and the bottom surface of the first pixel electrode is greater than or equal to 60° and less than or equal to 140°; and the ratio (T1/T2) of a thickness T1 of the first pixel electrode to a thickness T2 of the first EL layer is greater than or equal to 0.5.

公开(公告)号：US20240196712A1

公开(公告)日：2024-06-13

申请号：US18276077

申请日：2022-02-10

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Shunpei YAMAZAKI ,  Kenichi OKAZAKI ,  Daiki NAKAMURA ,  Rai SATO

IPC: H10K59/80 ,  H10K59/124 ,  H10K59/127 ,  H10K59/40 ,  H10K59/65

CPC classification number: H10K59/8791 ,  H10K59/124 ,  H10K59/127 ,  H10K59/40 ,  H10K59/65

Abstract: A display apparatus with high display quality is provided. A highly reliable display apparatus is provided. A display apparatus with low power consumption is provided. A display apparatus with a high resolution is provided. A display apparatus with high contrast is provided. The display apparatus includes a plurality of pixels over a first insulating layer. Each of the plurality of pixels includes a first conductive layer provided along an opening portion of the first insulating layer, a second insulating layer over the first conductive layer, an EL layer over the first conductive layer and the second insulating layer, and a common electrode over the EL layer. The second insulating layer is over and in contact with the first conductive layer and placed below the EL layer. The first conductive layers of adjacent pixels are separated by a third insulating layer containing an inorganic material and a fourth insulating layer containing an organic material. A side surface of the first conductive layer and a side surface of the EL layer each include a region in contact with the third insulating layer. The fourth insulating layer is over and in contact with the third insulating layer and placed below the common electrode.

公开(公告)号：US20240147758A1

公开(公告)日：2024-05-02

申请号：US18381228

申请日：2023-10-18

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Daiki NAKAMURA ,  Nozomu SUGISAWA

IPC: H10K50/856 ,  H10K50/828 ,  H10K50/844 ,  H10K59/90

CPC classification number: H10K50/856 ,  H10K50/828 ,  H10K50/844 ,  H10K59/90 ,  H01L33/44

Abstract: A display device including display regions with inconspicuous seam is provided. The display device includes a first display panel and a second display panel. The first display panel includes a first display region and a visible-light-transmitting region. The second display panel includes a second display region. The first display region is adjacent to the visible-light-transmitting region. The first display region includes a first light-emitting element and a second light-emitting element. A first common electrode included in the first light-emitting element includes a portion in contact with a second common electrode included in the second light-emitting element. The first common electrode has a function of reflecting visible light. The second common electrode has a function of transmitting visible light. The second light-emitting element is positioned closer to the visible-light-transmitting region than the first light-emitting element. The second display region includes a portion overlapping with the second light-emitting element and a portion overlapping with the visible-light-transmitting region.

公开(公告)号：US20240138223A1

公开(公告)日：2024-04-25

申请号：US18277791

申请日：2022-02-09

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Shunpei YAMAZAKI ,  Kenichi OKAZAKI ,  Daiki NAKAMURA ,  Rai SATO

IPC: H10K59/38 ,  H10K59/12 ,  H10K71/60

CPC classification number: H10K59/38 ,  H10K59/1201 ,  H10K71/60 ,  H10K2102/103

Abstract: A high-definition or high-resolution display apparatus is provided. The display apparatus includes a first light-emitting device, a second light-emitting device, a first insulating layer, and a second insulating layer. The first light-emitting device includes a first pixel electrode, a first light-emitting layer over the first pixel electrode, and a common electrode over the first light-emitting layer. The second light-emitting device includes a second pixel electrode, a second light-emitting layer over the second pixel electrode, and the common electrode over the second light-emitting layer. Each of an end portion of the first pixel electrode and an end portion of the second pixel electrode is covered with the first insulating layer. The second insulating layer is positioned over the first insulating layer. The second insulating layer covers each of a side surface of the first light-emitting layer and a side surface of the second light-emitting layer.