-
公开(公告)号:US20220413341A1
公开(公告)日:2022-12-29
申请号:US17827164
申请日:2022-05-27
发明人: Sungyeol KIM , Kyehoon Lee , Kyungsoo Park , Hyukjun Jang
IPC分类号: G02F1/13357
摘要: A display apparatus includes a liquid crystal panel, a substrate, and a plurality of light emitting diodes (LEDs) provided on one side of the substrate and configured to emit light towards the liquid crystal panel. Each of the plurality of LEDs includes a first reflection layer, a second reflection layer, and a light emitting layer provided between the first reflection layer and the second reflection layer. The second reflection layer is provided between the substrate and the light emitting layer. A first reflectivity of the first reflection layer for a first light entering at a first incident angle is different from a second reflectivity of the second reflection layer for the first light entering at the first incident angle.
-
公开(公告)号:US12094426B2
公开(公告)日:2024-09-17
申请号:US17941742
申请日:2022-09-09
发明人: Hyukjun Jang , Sungyeol Kim , Hyungsuk Kim , Kyungsoo Park , Youngmin Lee
CPC分类号: G09G3/3406 , G09G3/32 , G09G2330/06
摘要: A light emitting diode (LED) includes a substrate having a bar shape; a plurality of LEDs provided on the substrate; and a wiring pattern provided on the substrate and configured to transmit driving currents to the plurality of LEDs, wherein the wiring pattern has a shape that is bent multiple times so that the driving currents flow in opposite directions in lines aligned adjacent and parallel to each other.
-
公开(公告)号:US11934064B2
公开(公告)日:2024-03-19
申请号:US18101898
申请日:2023-01-26
发明人: Taeyeon Kim , Sungyeol Kim , Hyungsuk Kim , Chunsoon Park , Youngmin Lee , Hyukjun Jang
IPC分类号: G02F1/1335 , G02F1/13357 , G09G3/3233 , G09G3/34 , G09G3/36 , H05B45/10
CPC分类号: G02F1/133601 , G02F1/133603 , G02F1/133612 , G09G3/3233 , G09G3/3406 , G09G3/36 , H05B45/10 , G02F2203/48 , G09G2300/0842 , G09G2320/0233 , G09G2320/0686
摘要: 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.
-
公开(公告)号:US20240036398A1
公开(公告)日:2024-02-01
申请号:US18195471
申请日:2023-05-10
发明人: Seungyong SHIN , Sungyeol Kim , Hyukjun Jang
IPC分类号: G02F1/1335
CPC分类号: G02F1/133612 , G02F1/133613 , G02F2203/48
摘要: In some embodiments, a display apparatus includes a liquid crystal panel, and a light apparatus including a substrate including a plurality of dimming blocks that are arranged in a matrix, a power wire configured to supply power to the plurality of dimming blocks, and a plurality of driving devices configured to control a driving current supplied to the plurality of dimming blocks. Each dimming block of the plurality of dimming blocks includes a plurality of light sources. A second dimming block of the plurality of dimming blocks is arranged in an (n+1)th row adjacent to the nth row. The power wire is arranged between the nth row corresponding to the first dimming block and the (n+1)th row. The power wire is coupled to a first light source of the first dimming block and to a second light source of the second dimming block.
-
公开(公告)号:US11829033B2
公开(公告)日:2023-11-28
申请号:US17825685
申请日:2022-05-26
发明人: Youngmin Lee , Hyungsuk Kim , Kyungsoo Park , Hyukjun Jang
IPC分类号: G02F1/13357
CPC分类号: G02F1/133608 , G02F1/133603 , G02F1/133605
摘要: A display apparatus includes a display panel; a bottom chassis provided behind the display panel; a reflection sheet provided between the display panel and the bottom chassis; a plurality of light source substrates provided between the reflection sheet and the bottom chassis, each of the plurality of light source substrates having a bar shape extending in a first direction; a plurality of light sources mounted on the plurality of light source substrates and configured emit light toward the display panel; and a bonding member bonding the plurality of light source substrates to the bottom chassis, wherein the bonding member extends in a second direction, which is different from the first direction, so that the plurality of light source substrates are arranged in the second direction on the bottom chassis.
-
公开(公告)号:US12046209B2
公开(公告)日:2024-07-23
申请号:US18215027
申请日:2023-06-27
发明人: Sungyeol Kim , Chunsoon Park , Kyehoon Lee , Hyukjun Jang
IPC分类号: G09G3/34
CPC分类号: G09G3/3426 , G09G2320/0233 , G09G2320/041
摘要: A display device includes a liquid crystal panel; a plurality of light sources configured to emit light toward the liquid crystal panel, wherein the plurality of light sources are divided into a plurality of dimming blocks, each dimming block including one or more light sources; a driver configured to provide a current to each light source of the plurality of light sources; and a processor configured to: control the driver to provide the current to the one or more light sources included in each dimming block of the plurality of dimming blocks based on image data, obtain an average current value of currents provided to the one or more light sources included in each dimming block of the plurality of dimming blocks for a reference time based on the image data, and control the driver to provide a reduced current to the plurality of light sources based on at least one of a predetermined number of first dimming blocks or an arrangement of the first dimming blocks having the average current value being greater than or equal to a first reference current value.
-
17.
公开(公告)号:US12001101B2
公开(公告)日:2024-06-04
申请号:US18112270
申请日:2023-02-21
发明人: Youngmin Lee , Jaewoo Kim , Seungyong Shin , Hyukjun Jang
IPC分类号: G02F1/1335 , G02F1/13357 , H05K1/18
CPC分类号: G02F1/133612 , G02F1/133608 , H05K1/182 , G02F1/133603 , H05K2201/09072 , H05K2201/10106 , H05K2201/10189
摘要: A display apparatus includes a display panel, a printed circuit board defining an upper surface, a lower surface opposite the upper surface, and a through-hole, a plurality of light sources mounted on the upper surface of the printed circuit board and configured to emit light to the display panel, and a connector inserted into the through-hole on the upper surface of the printed circuit board. The connector includes a connector body inserted into the through-hole, and a plurality of connector terminals disposed in proximity to the upper surface of the printed circuit board. The connector terminals are configured to electrically connect the connector body to a portion of the printed circuit board, and may in certain embodiments connect a first portion of the printed circuit board on one side of the connector body to a second portion of the printed circuit board on an opposite of the connector body.
-
公开(公告)号:US11768401B2
公开(公告)日:2023-09-26
申请号:US17827164
申请日:2022-05-27
发明人: Sungyeol Kim , Kyehoon Lee , Kyungsoo Park , Hyukjun Jang
IPC分类号: G02F1/13357
CPC分类号: G02F1/133605 , G02F1/133603
摘要: A display apparatus includes a liquid crystal panel, a substrate, and a plurality of light emitting diodes (LEDs) provided on one side of the substrate and configured to emit light towards the liquid crystal panel. Each of the plurality of LEDs includes a first reflection layer, a second reflection layer, and a light emitting layer provided between the first reflection layer and the second reflection layer. The second reflection layer is provided between the substrate and the light emitting layer. A first reflectivity of the first reflection layer for a first light entering at a first incident angle is different from a second reflectivity of the second reflection layer for the first light entering at the first incident angle.
-
公开(公告)号:US20230118897A1
公开(公告)日:2023-04-20
申请号:US17968500
申请日:2022-10-18
发明人: Sungyeol Kim , Hyungsuk Kim , Chunsoon Park , Hyukjun Jang
IPC分类号: H01L33/10 , H01L25/075 , G02F1/13357 , C01G23/047 , C01B33/12
摘要: 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:US20230047093A1
公开(公告)日:2023-02-16
申请号:US17825685
申请日:2022-05-26
发明人: Youngmin Lee , Hyungsuk Kim , Kyungsoo Park , Hyukjun Jang
IPC分类号: G02F1/13357
摘要: A display apparatus includes a display panel; a bottom chassis provided behind the display panel; a reflection sheet provided between the display panel and the bottom chassis; a plurality of light source substrates provided between the reflection sheet and the bottom chassis, each of the plurality of light source substrates having a bar shape extending in a first direction; a plurality of light sources mounted on the plurality of light source substrates and configured emit light toward the display panel; and a bonding member bonding the plurality of light source substrates to the bottom chassis, wherein the bonding member extends in a second direction, which is different from the first direction, so that the plurality of light source substrates are arranged in the second direction on the bottom chassis.
-
-
-
-
-
-
-
-
-