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：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.

公开(公告)号：US20240164169A1

公开(公告)日：2024-05-16

申请号：US18281329

申请日：2022-03-15

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Kenichi OKAZAKI ,  Daiki NAKAMURA ,  Rai SATO

IPC: H10K59/38 ,  H04R1/22 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K59/12 ,  H10K59/131 ,  H10K59/65 ,  H10K71/20 ,  H10K71/60

CPC classification number: H10K59/38 ,  H04R1/222 ,  H10K50/15 ,  H10K50/16 ,  H10K50/171 ,  H10K59/1201 ,  H10K59/131 ,  H10K59/65 ,  H10K71/20 ,  H10K71/60 ,  H04R2499/15

Abstract: A higher-definition or higher-resolution display apparatus is provided. The display apparatus includes a first light-emitting device, a second light-emitting device, a first insulating layer, a first coloring layer, and a second coloring 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. The first insulating layer covers side surfaces of the first pixel electrode, the second pixel electrode, the first light-emitting layer, and the second light-emitting layer. The first coloring layer is placed to overlap with the first light-emitting device. The second coloring layer is placed to overlap with the second light-emitting device. The first light-emitting device and the second light-emitting device have a function of emitting white light. The first coloring layer and the second coloring layer have a function of transmitting visible light of different colors.

公开(公告)号：US20240107799A1

公开(公告)日：2024-03-28

申请号：US18533282

申请日：2023-12-08

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Shunpei YAMAZAKI ,  Daiki NAKAMURA ,  Ryo HATSUMI ,  Rai SATO ,  Shingo EGUCHI ,  Koji KUSUNOKI

IPC: H10K50/858 ,  G02B3/00 ,  G02B27/09 ,  G06F3/0354 ,  G06F3/041 ,  G06F3/042 ,  G06F3/147 ,  G09F9/30 ,  G09G3/30 ,  G09G3/3225 ,  H05B33/02 ,  H10K50/00 ,  H10K59/00 ,  H10K59/12 ,  H10K59/60

CPC classification number: H10K50/858 ,  G02B3/00 ,  G02B3/0056 ,  G02B27/0955 ,  G06F3/03545 ,  G06F3/0412 ,  G06F3/042 ,  G06F3/0421 ,  G06F3/147 ,  G09F9/30 ,  G09G3/30 ,  G09G3/3225 ,  H05B33/02 ,  H10K50/00 ,  H10K59/00 ,  H10K59/12 ,  H10K59/60 ,  G06F3/16

Abstract: A novel functional panel that is highly convenient, useful, or reliable is provided. The functional panel includes a base material and a pair of pixels, and the base material covers the pair of pixels and has a light-transmitting property. The pair of pixels includes one pixel and another pixel, and the one pixel includes a light-emitting device and a first microlens. The light-emitting device emits light toward the base material, and the first microlens is interposed between the base material and the light emission and converges light. The first microlens includes a first surface and a second surface; the second surface is closer to the light-emitting device than the first surface is; and the second surface has a smaller radius of curvature than the first surface. The other pixel includes a photoelectric conversion device and a second microlens. The second microlens is interposed between the base material and the photoelectric conversion and converges external light incident from the base material side. The second microlens includes a third surface and a fourth surface; the third surface is closer to the photoelectric conversion device than the fourth surface is; and the fourth surface has a smaller radius of curvature than the third surface.

公开(公告)号：US20220246889A1

公开(公告)日：2022-08-04

申请号：US17622912

申请日：2020-06-24

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Shunpei YAMAZAKI ,  Daiki NAKAMURA ,  Ryo HATSUMI ,  Rai SATO ,  Shingo EGUCHI

IPC: H01L51/52 ,  H01L27/32

Abstract: A novel light-emitting device that is highly convenient, useful, or reliable is provided. A novel functional panel that is highly convenient, useful, or reliable is provided. The light-emitting device includes an insulating film, a group of structure bodies, a layer containing a light-emitting material, a first electrode, and a second electrode. The group of structure bodies includes a structure body and a different structure body, a first distance is provided between the different structure body and the structure body, the insulating film includes a first surface, the structure body includes a sidewall, the sidewall forms a first angle with the first surface, and the first angle is greater than 0° and less than or equal to 90°. The layer containing a light-emitting material includes a first region and a second region, the first region is interposed between the second electrode and the first electrode, light is emitted from the first region, the second region is interposed between the second electrode and the sidewall, and the sidewall reflects light. The first electrode includes a third region, and the third region is interposed between the first region and the first surface.

公开(公告)号：US20240365628A1

公开(公告)日：2024-10-31

申请号：US18571991

申请日：2022-06-14

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Shunpei YAMAZAKI ,  Hiroky ADACHI ,  Rai SATO ,  Daisuke KUBOTA ,  Kentaro HAYASHI

IPC: H10K59/35 ,  H10K39/34 ,  H10K59/12

CPC classification number: H10K59/353 ,  H10K39/34 ,  H10K59/1201

Abstract: A display apparatus through which a user can see the background and which is capable of performing image capturing with high sensitivity is provided. The display apparatus includes a first light-emitting element, a second light-emitting element adjacent to the first light-emitting element, a light-receiving element adjacent to the second light-emitting element, a first organic layer provided between the second light-emitting element and the light-receiving element, and a second organic layer provided between the first light-emitting element and the second light-emitting element over a substrate with a visible-light-transmitting property. The first light-emitting element has a structure in which a first pixel electrode, a first light-emitting layer, and a common electrode are stacked in this order. The second light-emitting element has a structure in which a second pixel electrode, a second light-emitting layer, and the common electrode are stacked in this order. The light-receiving element has a structure in which a third pixel electrode, a photoelectric conversion layer, and the common electrode are stacked in this order. Transmittance of light with a wavelength which is at least part of the visible light wavelength in the first organic layer is lower than transmittance of light with the wavelength in the second organic layer.

公开(公告)号：US20240164168A1

公开(公告)日：2024-05-16

申请号：US18279939

申请日：2022-02-25

Applicant: Semiconductor Energy Laboratory Co., Ltd.

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

IPC: H10K59/38 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K59/12 ,  H10K71/16 ,  H10K71/60

CPC classification number: H10K59/38 ,  H10K50/15 ,  H10K50/16 ,  H10K50/171 ,  H10K59/1201 ,  H10K71/166 ,  H10K71/60

Abstract: A higher-definition or higher-resolution display apparatus is provided. The display apparatus includes a first light-emitting device, a second light-emitting device, a first insulating layer, a first coloring layer, and a second coloring 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. The first insulating layer covers side surfaces of the first pixel electrode, the second pixel electrode, the first light-emitting layer, and the second light-emitting layer. The first coloring layer is placed to overlap with the first light-emitting device. The second coloring layer is placed to overlap with the second light-emitting device. The first light-emitting device and the second light-emitting device have a function of emitting white light. The first coloring layer and the second coloring layer have a function of transmitting visible light of different colors.

公开(公告)号：US20240040846A1

公开(公告)日：2024-02-01

申请号：US18264476

申请日：2022-01-28

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Rai SATO ,  Masahiro KATAYAMA ,  Naoto GOTO ,  Yasutaka NAKAZAWA ,  Kenichi OKAZAKI

IPC: H10K59/122 ,  H10K59/12

CPC classification number: H10K59/122 ,  H10K59/1201 ,  H10K59/35

Abstract: A display device with high resolution is provided. A display device with a high aperture ratio is provided. The display device includes a first pixel electrode, a second pixel electrode, a first insulating layer, a second insulating layer, a first EL layer, a second EL layer, and a common electrode. The first insulating layer covers end portions of the first pixel electrode and the second pixel electrode. The second insulating layer is provided over the first pixel electrode, the second pixel electrode, and the first insulating layer and covers an end portion of the first insulating layer. The first EL layer is provided over the first pixel electrode and the second EL layer is provided over the second pixel electrode. An end portion of the first EL layer and an end portion of the second EL layer face each other and overlap with the first insulating layer. The common electrode includes a portion overlapping with the first EL layer and a portion overlapping with the second EL layer. The first insulating layer includes an organic resin, and the second insulating layer includes an inorganic insulating material.

公开(公告)号：US20230197824A1

公开(公告)日：2023-06-22

申请号：US17747063

申请日：2022-05-18

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Yasutaka NAKAZAWA ,  Kenichi OKAZAKI ,  Takayuki OHIDE ,  Rai SATO

IPC: H01L29/45 ,  H01L27/12 ,  H01L29/66 ,  H01L29/786

CPC classification number: H01L29/45 ,  H01L27/1225 ,  H01L27/127 ,  H01L27/1288 ,  H01L29/66969 ,  H01L29/7869 ,  H01L29/78696 ,  G02F1/1368

Abstract: A semiconductor device is fabricated by a method including the following steps: a first step of forming a semiconductor film containing a metal oxide over an insulating layer; a second step of forming a conductive film over the semiconductor film; a third step of forming a first resist mask over the conductive film and etching the conductive film to form a first conductive layer and to expose a top surface of the semiconductor film that is not covered with the first conductive layer; and a fourth step of forming a second resist mask that covers a top surface and a side surface of the first conductive layer and part of the top surface of the semiconductor film and etching the semiconductor film to form a semiconductor layer and to expose a top surface of the insulating layer that is not covered with the semiconductor layer.