公开(公告)号：US20170045199A1

公开(公告)日：2017-02-16

申请号：US15039309

申请日：2013-12-27

Applicant: LG ELECTRONICS INC.

Inventor： Mangeun KIM ,  Sangcheon KIM ,  Taegu KANG ,  Seongman JEON ,  Hyunho LEE ,  Kyoungwoo JO ,  Yongjin KIM

IPC: F21V7/05 ,  F21V7/22

CPC classification number: F21V7/05 ,  F21V7/22 ,  F21Y2115/10 ,  G02F1/133605 ,  G02F1/133608

Abstract: Disclosed is a backlight unit comprising: a reflecting plate having a light source seated thereon; a first metal pattern formed on one surface of the reflecting plate so as to make contact with the light source; and a second metal pattern formed on the other surface of the reflecting plate and electrically connected to the first metal pattern.

Abstract translation: 公开了一种背光单元，包括：反射板，其上安置有光源; 形成在所述反射板的一个表面上以与所述光源接触的第一金属图案; 以及形成在反射板的另一表面上并与第一金属图形电连接的第二金属图案。

公开(公告)号：US20140204575A1

公开(公告)日：2014-07-24

申请号：US14108913

申请日：2013-12-17

Applicant: LG ELECTRONICS INC.

Inventor： Kyoungwoo JO ,  Misook KIM ,  Chilkeun PARK ,  Sangcheon KIM ,  Boyeon SIM

IPC: F21V13/10

CPC classification number: F21V13/10 ,  G02F1/133555 ,  G02F1/133605 ,  G02F1/133606 ,  G02F1/133611 ,  G02F2203/09

Abstract: An apparatus for planar lighting configurable with light emitting devices is disclosed. The apparatus for planar lighting includes a plurality of light sources arranged on a circuit board; a reflective layer disposed on the circuit board; a transmission regulation layer disposed on the reflective layer and provided with a hole pattern allowing light to be transmitted therethrough, wherein a size of the hole disposed proximate to the light source is smaller than a size of the hole disposed between adjacent two light sources; a spacer disposed between the reflective layer and the transmission regulation layer such that the spacer maintains a distance between the reflective layer and the transmission regulation layer, wherein the spacer comprises at least one protrusion formed by bending a plate member; and an optical sheet disposed on the transmission regulation layer.

Abstract translation: 公开了一种可配置有发光器件的平面照明装置。 平面照明装置包括布置在电路板上的多个光源; 设置在电路板上的反射层; 传输调节层，其设置在所述反射层上并且设置有允许光透射的孔图案，其中设置在所述光源附近的所述孔的尺寸小于设置在相邻的两个光源之间的孔的尺寸; 设置在所述反射层和所述传输调节层之间的间隔件，使得所述间隔件保持所述反射层和所述传输调节层之间的距离，其中所述间隔件包括通过弯曲板构件形成的至少一个突起; 以及设置在传输调节层上的光学片。

公开(公告)号：US20230350216A1

公开(公告)日：2023-11-02

申请号：US17796534

申请日：2020-01-31

Applicant: LG ELECTRONICS INC. ,  KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Byounggoo LEE ,  Sangcheon KIM ,  Hyohoon PARK ,  Hyeonho YOON ,  Joonsup SHIM ,  Youngin KIM

IPC: G02B27/09 ,  G02B27/00

CPC classification number: G02B27/0966 ,  G02B27/0087

Abstract: An optical device can include an end-fire optical phased array including an optical splitter to split an optical signal into a plurality of channels, an optical phase controller to control a phase of the optical signal transmitted from the optical splitter, and an end-fire optical radiator to radiate the optical signal transmitted from the optical phase controller. A lens can be further positioned on a path of the radiated optical signal to control a vertical divergence angle of the radiated optical signal.

公开(公告)号：US20220128862A1

公开(公告)日：2022-04-28

申请号：US17569919

申请日：2022-01-06

Applicant: LG ELECTRONICS INC.

Inventor： Yongjin KIM ,  Munheon HONG ,  Chilkeun PARK ,  Sangcheon KIM ,  Mangeun KIM

IPC: G02F1/13357 ,  F21V11/16 ,  F21V7/00

Abstract: A display device including a lower cover; a circuit substrate on the lower cover; a plurality of light sources disposed on the circuit substrate; a reflection layer disposed on the lower cover; a light regulating pattern disposed close to an edge of the reflection layer; and an optical sheet disposed on the light sources. Further, a width of the light regulating pattern changes along the edge of the reflection layer.

公开(公告)号：US20210181581A1

公开(公告)日：2021-06-17

申请号：US17186768

申请日：2021-02-26

Applicant: LG ELECTRONICS INC.

Inventor： Yongjin KIM ,  Munheon HONG ,  Chilkeun PARK ,  Sangcheon KIM ,  Mangeun KIM

IPC: G02F1/13357 ,  F21V11/16 ,  F21V7/00

Abstract: A display device including a lower cover; a circuit substrate on the lower cover; a plurality of light sources disposed on the circuit substrate; a reflection layer disposed on the lower cover; a light regulating pattern disposed close to an edge of the reflection layer; and an optical sheet disposed on the light sources. Further, the light regulating pattern changes in size as a distance from the light source changes.

公开(公告)号：US20160124267A1

公开(公告)日：2016-05-05

申请号：US14992768

申请日：2016-01-11

Applicant: LG ELECTRONICS INC.

Inventor： Yongjin KIM ,  Munheon HONG ,  Chilkeun PARK ,  Sangcheon KIM ,  Mangeun KIM

IPC: G02F1/1335

CPC classification number: G02F1/133606 ,  F21V7/00 ,  F21V7/0025 ,  F21V11/16 ,  F21Y2105/00 ,  G02B6/0055 ,  G02B6/0061 ,  G02B6/0096 ,  G02F1/133603 ,  G02F1/133605 ,  G02F1/133611 ,  G02F2001/133388 ,  G02F2001/133612 ,  G02F2001/133613 ,  G02F2001/133614 ,  G02F2202/28

Abstract: A lighting device including a circuit substrate; a plurality of light sources disposed on the circuit substrate; a reflection layer disposed on the circuit substrate, the reflection layer comprising a plurality of openings where respective light sources are located; a plurality of absorbers disposed at an edge of the reflection layer and at an inclination with respect to the reflection layer, wherein the plurality of absorbers have a greater density at first areas aligned with the respective light sources than at second areas between the first areas; and an optical sheet disposed on the light sources.

Abstract translation: 1.一种照明装置，包括电路基板; 设置在电路基板上的多个光源; 设置在所述电路基板上的反射层，所述反射层包括多个开口，各个光源位于所述多个开口处; 设置在所述反射层的边缘并且相对于所述反射层倾斜的多个吸收体，其中所述多个吸收体在与所述各个光源对准的第一区域处的密度大于在所述第一区域之间的第二区域处的密度; 以及设置在光源上的光学片。