公开(公告)号：US12124128B2

公开(公告)日：2024-10-22

申请号：US18213623

申请日：2023-06-23

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Chunsoon Park ,  Hyungsuk Kim ,  Sungyeol Kim ,  Taeyeon Kim

IPC: G02F1/133 ,  G02F1/1335 ,  G02F1/13357

CPC classification number: G02F1/133606 ,  G02F1/133603 ,  G02F1/133605 ,  G02F1/133611 ,  G02F1/133614

Abstract: A light source device includes a substrate, a reflective sheet on the substrate and including a through hole, a light source on the substrate, and exposed through the through hole of the reflective sheet, the light source including a light emitting diode (LED), and a quantum dot sheet configured to convert a color of light emitted from the light source, where the substrate includes a diffuse reflection layer exposed through the through hole of the reflective sheet and configured to diffusely reflect light emitted from the light source and light reflected from the quantum dot sheet.

公开(公告)号：US20240310675A1

公开(公告)日：2024-09-19

申请号：US18410495

申请日：2024-01-11

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Taeyeon KIM ,  Sungyeol Kim ,  Hyukjun Jang ,  Hyungsuk Kim ,  Chunsoon Park

IPC: G02F1/1335 ,  G02F1/13357 ,  H01L25/16 ,  H01L33/62

CPC classification number: G02F1/133612 ,  G02F1/133603 ,  H01L25/167 ,  H01L33/62 ,  H01L2933/0066

Abstract: A display apparatus includes a liquid crystal panel; and a light source apparatus including a substrate on which a plurality of light emitting diodes (LEDs) are arranged where the plurality of LEDs include a plurality of first LEDs configured to be connected in series to each other by a wiring formed on the substrate, and a plurality of second LEDs configured to be connected in series to each other by a wiring formed on the substrate, and the substrate includes a first connection portion formed between a first LED of the plurality of first LEDs and a second LED of the plurality of second LEDs.

公开(公告)号：US12046697B2

公开(公告)日：2024-07-23

申请号：US17968500

申请日：2022-10-18

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sungyeol Kim ,  Hyungsuk Kim ,  Chunsoon Park ,  Hyukjun Jang

IPC: H01L33/10 ,  C01B33/12 ,  C01G23/047 ,  G02F1/13357 ,  H01L25/075

CPC classification number: H01L33/10 ,  C01B33/12 ,  C01G23/047 ,  G02F1/133603 ,  G02F1/133605 ,  G02F1/133617 ,  H01L25/0753 ,  G02F2201/346 ,  G02F2201/52

Abstract: A display apparatus includes a liquid crystal panel; and a backlight unit configured to provide light to the liquid crystal panel, wherein the backlight unit includes: a substrate; and a plurality of light emitting diode groups provided on an upper surface of the substrate, wherein each of the plurality of light emitting diode groups includes a red light emitting diode, a green light emitting diode, and a blue light emitting diode, wherein each of the red light emitting diode, the green light emitting diode, and the blue light emitting diode includes: a light emitting layer; and a distributed Bragg reflector (DBR) provided on the light emitting layer, and wherein reflectivities of the distributed Bragg reflectors of the red light emitting diode, the green light emitting diode, and the blue light emitting diode are within a same range of reflectivity according to an incident angle of light incident on the distributed Bragg reflectors.

公开(公告)号：US11262617B2

公开(公告)日：2022-03-01

申请号：US17130313

申请日：2020-12-22

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Chunsoon Park ,  Seokwoo Yong ,  Youngchol Lee ,  Jonghoon Jung ,  Junsung Choi

IPC: G02F1/13357

Abstract: Provided is a display apparatus including a display panel, a light-emitting assembly disposed behind the display panel and including a light-emitting diode (LED) configured to emit light in a rear direction, and a reflective assembly disposed behind the light-emitting assembly and configured to reflect light emitted from the light-emitting assembly toward the display panel, wherein the reflective assembly includes a first area corresponding to the LED, and a second area adjacent to the first area, wherein at least one of a diffusion amount and a reflection amount of light exiting the second area is different from a corresponding one of a diffusion amount and a reflection amount of light exiting the first area.

公开(公告)号：US12278256B2

公开(公告)日：2025-04-15

申请号：US18379404

申请日：2023-10-12

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sungyeol Kim ,  Kyehoon Lee ,  Punjae Choi ,  Sooyoung Park ,  Chunsoon Park ,  Junsung Choi

IPC: H01L27/15 ,  G02F1/1335 ,  G02F1/13357 ,  H01L25/065 ,  G02F1/017 ,  H01L33/06 ,  H01L33/38 ,  H01L33/46

Abstract: A display apparatus, includes: a liquid crystal panel; and a backlight configured to provide light to the liquid crystal panel, the backlight including a substrate and a light-emitting diode (LED) that is mounted on the substrate. The LED includes a plurality of light-emitting layers configured to emit light of different wavelengths. A wavelength of light emitted from each of the plurality of light-emitting layers is greater than or equal to 430 nm and less than or equal to 480 nm.

公开(公告)号：US20250013101A1

公开(公告)日：2025-01-09

申请号：US18892636

申请日：2024-09-23

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyungsuk KIM ,  Sungyeol Kim ,  Chunsoon Park ,  Taeyeon Kim ,  Junsung Choi

IPC: G02F1/1335 ,  G02F1/13357

Abstract: A light source device includes: a reflective sheet including a hole formed therein; and a light source module including a portion inserted into the hole, a substrate including a first layer including a feeding line, and a second layer laminated in an upper portion of the first layer, a light-emitting diode on the second layer, a feeding pad, connected to the feeding line, in a window formed in the second layer and configured to contact the light-emitting diode, an insulating dome on the second layer, and an antistatic pad on the second layer and including a silver plating layer, a first antistatic pad within a region defined by the hole, and a second antistatic pad outside of the region defined by the hole and extending in the longitudinal direction of the feeding line spaced a first length therefrom in the width direction of the feeding line.

公开(公告)号：US12181744B2

公开(公告)日：2024-12-31

申请号：US17311118

申请日：2021-03-08

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sungyeol Kim ,  Chunsoon Park ,  Kyehoon Lee ,  Youngmin Lee

IPC: G02F1/1335 ,  G02F1/13357

Abstract: A display apparatus includes a reflective sheet through which a through hole is disposed, and a light source module exposed through the through hole. The light source module includes a substrate on which the reflective sheet is disposed, and a light emitting diode disposed on a portion of the substrate, the portion corresponding to the through hole. The light source module further includes an optical dome covering the light emitting diode, and a first light pattern disposed on the substrate and inside the optical dome, the first light pattern including a material having a reflectivity higher than a reflectivity of the substrate.

公开(公告)号：US20240302696A1

公开(公告)日：2024-09-12

申请号：US18662247

申请日：2024-05-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sungyeol KIM ,  Kyungsoo Park ,  Chunsoon Park ,  Kyehoon Lee

IPC: G02F1/13357 ,  F21K9/64 ,  F21Y105/16 ,  F21Y115/10

CPC classification number: G02F1/133621 ,  F21K9/64 ,  G02F1/133602 ,  F21Y2105/16 ,  F21Y2115/10

Abstract: A display apparatus is provided that includes: a printed circuit board (PCB); a light emitting diode (LED) chip mounted on the PCB and configured to emit light; an optical dome disposed over and enclosing the LED chip; a distributed Bragg reflector (DBR) layer arranged on an upper surface of the LED chip; a liquid crystal panel configured to block or pass light output from the LED chip; an optical film arranged between the LED chip and the liquid crystal panel, wherein the optical film comprises a quantum dot sheet formed to enhance color reproducibility by making a change in wavelength of light.

公开(公告)号：US12013614B2

公开(公告)日：2024-06-18

申请号：US18309257

申请日：2023-04-28

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sungyeol Kim ,  Kyungsoo Park ,  Chunsoon Park ,  Kyehoon Lee

IPC: G02F1/13357 ,  F21K9/64 ,  F21Y105/16 ,  F21Y115/10

CPC classification number: G02F1/133621 ,  F21K9/64 ,  G02F1/133602 ,  F21Y2105/16 ,  F21Y2115/10

Abstract: A display apparatus is provided that includes: a printed circuit board (PCB); a light emitting diode (LED) chip mounted on the PCB and configured to emit light; an optical dome disposed over and enclosing the LED chip; a distributed Bragg reflector (DBR) layer arranged on an upper surface of the LED chip; a liquid crystal panel configured to block or pass light output from the LED chip; and an optical film arranged between the LED chip and the liquid crystal panel. A ratio of a height of the optical dome to a diameter of a bottom surface of the optical dome is 0.25 to 0.31, and the optical film includes a quantum dot sheet formed to enhance color reproducibility by making a change in wavelength of light.

公开(公告)号：US11934064B2

公开(公告)日：2024-03-19

申请号：US18101898

申请日：2023-01-26

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Taeyeon Kim ,  Sungyeol Kim ,  Hyungsuk Kim ,  Chunsoon Park ,  Youngmin Lee ,  Hyukjun Jang

IPC: G02F1/1335 ,  G02F1/13357 ,  G09G3/3233 ,  G09G3/34 ,  G09G3/36 ,  H05B45/10

CPC classification number: G02F1/133601 ,  G02F1/133603 ,  G02F1/133612 ,  G09G3/3233 ,  G09G3/3406 ,  G09G3/36 ,  H05B45/10 ,  G02F2203/48 ,  G09G2300/0842 ,  G09G2320/0233 ,  G09G2320/0686

Abstract: A display apparatus includes: a liquid crystal panel; a plurality of light sources configured to emit light; and a substrate including a plurality of dimming blocks arranged in rows and columns, wherein each of the plurality of dimming blocks includes at least four light sources from among the plurality of light sources, and the least four light sources are connected in series with each other and arranged in rows and columns on a first surface of the substrate, the substrate includes a plurality of holes extending from the first surface of the substrate to a second surface of the substrate, the first surface of the substrate and the second surface of the substrate are electrically connected through the plurality of holes, and each of the plurality of holes is in a region surrounded by the at least four light sources of each respective dimming block of the plurality of dimming blocks.