公开(公告)号：US11791448B2

公开(公告)日：2023-10-17

申请号：US17736764

申请日：2022-05-04

Applicant: NICHIA CORPORATION

Inventor： Atsushi Kojima ,  Kenji Ozeki ,  Chinami Nakai

IPC: H01L33/62 ,  H01L33/00 ,  H01L33/56 ,  H01L33/48 ,  H01L33/60

CPC classification number: H01L33/62 ,  H01L33/0093 ,  H01L33/486 ,  H01L33/56 ,  H01L33/60 ,  H01L2933/005 ,  H01L2933/0058 ,  H01L2933/0066

Abstract: A light-emitting device includes: a light-emitting element; a wiring board that includes: a substrate, and a wiring pattern including: a plating base layer disposed on the substrate so as to have a gap portion that surrounds a first region in which the light-emitting element is mounted, and a plating layer having a groove that surrounds the first region; a first covering member, at least a portion of which is located in the groove and includes: a reflective material containing layer that contains a first reflective material, and a light-transmissive layer formed above the reflective material containing layer; and a light-transmissive member disposed on the first covering member and the light-emitting element.

公开(公告)号：US11787332B2

公开(公告)日：2023-10-17

申请号：US17549886

申请日：2021-12-14

Applicant: Lite-On Technology Corporation

Inventor： Kai Yu Hsieh ,  Chih Chiang Kao ,  Cheng Ying Lee ,  Tsung Lin Lu

IPC: H01L33/38 ,  H01L33/56 ,  H01L33/62 ,  B60Q1/30 ,  F21S43/14 ,  B60Q1/26 ,  F21S43/20 ,  B60Q1/44 ,  H01L25/13 ,  F21V9/30 ,  H01L33/10 ,  F21Y115/10

CPC classification number: B60Q1/30 ,  B60Q1/2607 ,  B60Q1/44 ,  F21S43/14 ,  F21S43/255 ,  F21V9/30 ,  H01L25/13 ,  H01L33/10 ,  H01L33/382 ,  H01L33/56 ,  H01L33/62 ,  F21Y2115/10

Abstract: A light-emitting device includes a substrate including circuit pads and a resin portion. A frame disposed on the substrate to form a first space, first to third light sources, and first and second encapsulants. The frame includes an outer wall and a first partition in the first space to form the first space as independent second and third spaces. A first and second light sources are disposed at the second space and provide first and second light beams respectively. A third light source is disposed at the third space and provides a third light beam. A first encapsulant is filled at the second space to seal the first and second light sources. A second encapsulant is filled at the third space to seal the third light source. The second encapsulant includes a first wavelength conversion material converting the third light beam into a fourth light beam.

公开(公告)号：US11784295B2

公开(公告)日：2023-10-10

申请号：US17369710

申请日：2021-07-07

Applicant: ROHM CO., LTD.

Inventor： Masahiko Kobayakawa

IPC: H01L33/62 ,  H01L33/48 ,  H01L23/495 ,  H01L33/54 ,  H01L33/56 ,  H01L33/60 ,  H01L33/52 ,  H01L33/64

CPC classification number: H01L33/62 ,  H01L23/49541 ,  H01L33/486 ,  H01L33/52 ,  H01L33/54 ,  H01L33/56 ,  H01L33/60 ,  H01L33/642 ,  H01L33/647 ,  H01L2224/48247 ,  H01L2224/48465 ,  H01L2224/48465 ,  H01L2224/48247 ,  H01L2924/00

Abstract: A semiconductor light-emitting device includes a lead frame, a semiconductor light-emitting element mounted on the top surface of the bonding region, and a case covering part of the lead frame. The bottom surface of the bonding region is exposed to the outside of the case. The lead frame includes a thin extension extending from the bonding region and having a top surface which is flush with the top surface of the bonding region. The thin extension has a bottom surface which is offset from the bottom surface of the bonding region toward the top surface of the bonding region.

公开(公告)号：US11784291B2

公开(公告)日：2023-10-10

申请号：US17528498

申请日：2021-11-17

Applicant: Nuvoton Technology Corporation Japan

Inventor： Masami Obara ,  Shigeo Hayashi

IPC: H01L33/54 ,  H01L33/50 ,  H01L33/56 ,  H01L33/60 ,  H01L33/58 ,  H01L33/62 ,  H01L33/00

CPC classification number: H01L33/54 ,  H01L33/0095 ,  H01L33/502 ,  H01L33/56 ,  H01L33/60 ,  H01L33/62 ,  H01L2933/005 ,  H01L2933/0041 ,  H01L2933/0058 ,  H01L2933/0066

Abstract: A light-emitting device including: a mounting substrate including a mounting surface; a light-emitting element disposed on the mounting surface; a light transmissive component disposed on the light-emitting element; and a resin component directly contacting and covering a side surface of the light-emitting element and a side surface of the light transmissive component. The resin component includes a peripheral portion that directly contacts and covers the side surface of the light transmissive component, a protrusion that protrudes from the peripheral portion, and a cover portion that directly contacts and covers an outer edge portion of a topmost surface of the light transmissive component. The height from the mounting surface to a top of the cover portion is greater than a height from the mounting surface to the topmost surface of the light transmissive component, and the topmost surface of the light transmissive component includes a region exposed from the resin component.

公开(公告)号：US11784170B2

公开(公告)日：2023-10-10

申请号：US17826160

申请日：2022-05-27

Applicant: NICHIA CORPORATION

Inventor： Takashi Ishii ,  Dai Wakamatsu ,  Hiroaki Kageyama

IPC: H01L23/48 ,  H01L25/075 ,  H01L33/62 ,  H01L33/60 ,  H01L25/16 ,  H01L33/56

CPC classification number: H01L25/0753 ,  H01L25/162 ,  H01L25/167 ,  H01L33/60 ,  H01L33/62 ,  H01L33/56 ,  H01L2933/0058 ,  H01L2933/0066

Abstract: A light emitting device that includes a plurality of element structures, a frame, and a covering member. Each of the plurality of element structures includes a light emitting element. The frame surrounds the plurality of element structures. The covering member is disposed on an inner side of the frame. The covering member is disposed between the frame and an element structure of the plurality of element structures adjacent to the frame and between adjacent element structures of the plurality of element structures. An upper surface and a lower surface of each of the plurality of element structures are exposed from the covering member.

公开(公告)号：US20230307581A1

公开(公告)日：2023-09-28

申请号：US17961077

申请日：2022-10-06

Applicant: Samsung Display Co., LTD.

Inventor： Ki Nyeng KANG ,  Guanghai JIN

IPC: H01L33/38 ,  H01L33/62 ,  H01L33/56 ,  H01L27/15 ,  H01L33/00

CPC classification number: H01L33/38 ,  H01L33/62 ,  H01L33/56 ,  H01L27/153 ,  H01L33/0095 ,  H01L2933/0016 ,  H01L2933/0066 ,  H01L2933/005

Abstract: A display device includes, a substrate; first alignment electrodes disposed on the substrate; second alignment electrodes disposed on the substrate and spaced apart from the first alignment electrodes, respectively; light emitting elements disposed between the first alignment electrodes and the second alignment electrodes; first connection electrodes in contact with first end portions of the light emitting elements and overlapping the first alignment electrodes, respectively; and second connection electrodes in contact with second end portions of the light emitting elements, overlapping the second alignment electrodes, respectively, and spaced apart from the first connection electrodes, respectively. An edge portion of each of the first connection electrodes extends along an edge portion of each of the first alignment electrodes, and an edge portion of each of the second connection electrodes extends along an edge portion of each of the second alignment electrodes.

公开(公告)号：US11765945B2

公开(公告)日：2023-09-19

申请号：US16851019

申请日：2020-04-16

Applicant: Samsung Display Co., Ltd.

Inventor： Seungmin Song ,  Seunghwan Cho ,  Jonghyun Choi ,  Taewoo Kim ,  Sanghoon Lee

IPC: H01L27/32 ,  H01L27/14 ,  H01L51/50 ,  H01L51/52 ,  H01L33/56 ,  H01L33/52 ,  H01L33/42 ,  H01L33/44 ,  H01L33/46 ,  G02F1/13 ,  G02F1/1333 ,  G02F1/1335 ,  H01L27/146

CPC classification number: H01L27/3272 ,  H01L51/5246 ,  H01L51/5253 ,  G02F1/133331 ,  G02F1/133528 ,  G09G2300/0408 ,  G09G2300/0804 ,  H01L27/14678 ,  H01L27/322 ,  H01L27/323 ,  H01L27/3211 ,  H01L27/3213 ,  H01L27/3248 ,  H01L27/3265 ,  H01L27/3276 ,  H01L33/42 ,  H01L33/44 ,  H01L33/46 ,  H01L33/52 ,  H01L33/56 ,  H01L51/502 ,  H01L51/5056 ,  H01L51/5088 ,  H01L51/5218 ,  H01L51/5234 ,  H01L51/5275 ,  H01L51/5287 ,  H01L51/5293 ,  H01L51/5296 ,  H01L2251/301 ,  G02F1/136209 ,  G02F1/1335 ,  G02F1/133512

Abstract: A display device includes a window, a display panel arranged below the window and including a display area and a peripheral area outside the display area; and a component arranged below the display panel and at least partially overlapping the peripheral area, wherein a black matrix is arranged on a bottom surface of the window in correspondence with an area in the peripheral area other than an area where the component is located.

公开(公告)号：US11757077B2

公开(公告)日：2023-09-12

申请号：US17306136

申请日：2021-05-03

Applicant: EPISTAR CORPORATION

Inventor： Hsin-Ying Wang ,  Chih-Hao Chen ,  Chien-Chih Liao ,  Chao-Hsing Chen ,  Wu-Tsung Lo ,  Tsun-Kai Ko ,  Chen Ou

IPC: H01L33/60 ,  H01L33/56 ,  H01L33/54 ,  H01L33/46 ,  H01L33/38 ,  H01L21/78

CPC classification number: H01L33/60 ,  H01L21/78 ,  H01L33/38 ,  H01L33/46 ,  H01L33/54 ,  H01L33/56

Abstract: A light-emitting device comprises a substrate comprising a top surface and a sidewall; a semiconductor stack formed on the top surface of the substrate comprising a first semiconductor layer, an active layer and a second semiconductor layer; a dicing street surrounding the semiconductor stack and exposing the top surface of the substrate; a protective layer covering the semiconductor stack and the dicing street; a reflective layer comprising a Distributed Bragg Reflector structure and covering the protective layer; and a cap layer covering the reflective layer, wherein the reflective layer comprises an uneven portion adjacent to the sidewall of the substrate, and the uneven portion comprises an uneven thickness.

公开(公告)号：US11757068B2

公开(公告)日：2023-09-12

申请号：US17180390

申请日：2021-02-19

Applicant: LG INNOTEK CO., LTD.

Inventor： Sa Rum Han ,  Dong Il Eom ,  Young Hun Ryu

IPC: H01L33/50 ,  H01L33/56 ,  H01L25/075 ,  G02B5/02

CPC classification number: H01L33/502 ,  G02B5/0205 ,  H01L25/0753 ,  H01L33/56 ,  H01L33/507

Abstract: A lighting module according to an embodiment of the invention includes: a substrate; a plurality of light emitting devices disposed in N rows (N is an integer of 1 or more) on the substrate; a first resin layer covering the plurality of light emitting devices; a first diffusion layer disposed on the first resin layer and diffusing light emitted from the first resin layer; and a second diffusion layer disposed on the first diffusion layer and diffusing light emitted from the first diffusion layer, wherein the first diffusion layer includes a diffusing agent, and the second diffusion layer includes at least one of a phosphor and ink particles.

公开(公告)号：US11756939B2

公开(公告)日：2023-09-12

申请号：US17728074

申请日：2022-04-25

Applicant: Citizen Electronics Co., Ltd. ,  Citizen Watch Co., Ltd.

Inventor： Yuki Suto ,  Jo Kinosita

IPC: H01L25/075 ,  H01L33/50 ,  H01L33/56

CPC classification number: H01L25/0753 ,  H01L33/504 ,  H01L33/505 ,  H01L33/56 ,  H01L2224/16225 ,  H01L2924/0002 ,  H01L2924/0002 ,  H01L2924/00

Abstract: A light emitting device includes a first light emitting element, a second light emitting element, a first phosphor sheet containing a first phosphor and a third phosphor, and covering a top face of the first light emitting element, and a second phosphor sheet containing a second phosphor and a fourth phosphor, and covering a top face of the second light emitting element, wherein a peak wavelength of light which is wavelength-converted by the first phosphor or the third phosphor is equal to or less than a peak wavelength of light which is wavelength-converted by the second phosphor or the fourth phosphor.