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公开(公告)号：EP4177973A1
公开(公告)日：2023-05-10
申请号：EP21886455.1
申请日：2021-03-09
发明人： KIM, Sungyeol , PARK, Kyungsoo , PARK, Chunsoon , LEE, Kyehoon
IPC分类号： H01L33/46 , H01L33/50 , G02F1/13357 , H01L33/10 , H01L33/20
摘要： Disclosed is a display apparatus and light source device which includes an optical dome having a specifically defined shape to be able to maintain an optical profile of a light source. A display apparatus includes a printed circuit board (PCB), a light emitting diode (LED) chip mounted on the PCB and emitting light, an optical dome formed to enclose the LED chip by being dispensed on the LED chip, a liquid crystal panel blocking or passing light output from the LED chip, and an optical film arranged between the LED chip and the liquid crystal panel, wherein a ratio of height of the optical dome to a diameter of a bottom surface of the optical dome may be 0.25 to 0.31.
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公开(公告)号：EP4283385A1
公开(公告)日：2023-11-29
申请号：EP21952018.6
申请日：2021-10-26
发明人： KIM, Sungyeol , LEE, Kyehoon , LEE, Youngmin , CHOI, Junsung
IPC分类号： G02F1/13357 , G02F1/1335 , G02F1/1345 , G02B6/00
摘要： A display device comprises a light source, a display panel and an optical sheet. The light source comprises a first light source substrate, and a second light source substrate spaced apart from the first light source substrate in the widthwise direction. The light source is loaded in a light source module, and the width of an area, defined as being half the maximum brightness of a light profile of the light source, is set as the full width at half maximum of the maximum brightness. The distance between the center of the first light source substrate in the widthwise direction and the center of the second light source substrate in the width direction can be referred to as a pitch, and the full width at half maximum of the maximum brightness of the light source and the pitch satisfy the following. 1.0 ≤ full width at half maximum of maximum brightness/pitch ≤ 2.0
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公开(公告)号：EP4009315A1
公开(公告)日：2022-06-08
申请号：EP21194729.6
申请日：2021-09-03
发明人： KIM, Sungyeol , YANG, Sungbok , YONG, Seokwoo , LEE, Kyehoon , CHOI, Junsung
IPC分类号： G09G3/34
摘要： A display apparatus includes: a liquid crystal panel; and a light apparatus on which the liquid crystal panel is disposed, the light apparatus including: a substrate; a plurality of dimming blocks including a first dimming block and a second dimming block disposed immediately next to the first dimming block, each of the plurality of dimming blocks including at least one respective light source disposed on a first side of the substrate; and a plurality of driving devices disposed on the first side of the substrate and including a first driving device disposed in the first dimming block and a second driving device disposed in the second dimming block, each driving device of the plurality of driving devices being configured to provide a driving current to the at least one respective light source included in a respective one of the plurality of dimming blocks, wherein the first driving device and the second driving device are disposed at relatively different positions respectively within the first dimming block and the second dimming block.
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公开(公告)号：EP4344386A1
公开(公告)日：2024-03-27
申请号：EP22911505.0
申请日：2022-09-06
发明人： KIM, Sungyeol , PARK, Chunsoon , LEE, Kyehoon
摘要： A disclosed light source device comprises: a reflective sheet having a through hole formed therein; a light source located in the through hole and including a light emitting diode; and a substrate to which the light emitting diode is attached, the substrate including a protective layer provided on one side facing the reflective sheet, wherein the protective layer includes a first protective layer disposed adjacent to the light emitting diode, and a second protective layer having a reflectance lower than that of the first protective layer.
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公开(公告)号：EP4418038A1
公开(公告)日：2024-08-21
申请号：EP22924375.3
申请日：2022-12-08
发明人： JANG, Hyukjun , LEE, Kyehoon , LEE, Youngmin , KWON, Yonghun , KIM, Sunyoung , KIM, Hyungsuk , SHIN, Seungyong
IPC分类号： G02F1/13357 , G02F1/1333 , H05K1/02
CPC分类号： H05K1/02 , G02F1/1333 , G02F1/1336
摘要： A display device according to one or more embodiments includes a display panel, a light source module disposed on a rear side of the display panel to generate light supplied to the display panel, and including a plurality of light sources emitting light, and a printed circuit board (PCB) on which the plurality of light sources is mounted, and a bottom chassis disposed on a rear side of the light source module and on which the light source module is assembled, wherein the PCB includes an insulating layer having a non-conductive, a first conductive layer formed on a lower surface of the insulating layer and having a conductive, and a second conductive layer formed on an upper surface of the insulating layer and having a conductive, and wherein the second conductive layer is formed to have a smaller area than the first conductive layer such that the PCB is convexly bent in a direction facing the display panel due to thermal expansion after a reflow process.
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公开(公告)号：EP4163714A1
公开(公告)日：2023-04-12
申请号：EP21882950.5
申请日：2021-03-08
发明人： JANG, Hyukjun , LEE, Kyehoon
IPC分类号： G02F1/1362 , H01L33/58 , H01L33/62 , G02F1/13357
摘要： Provided is a light apparatus including: a reflective sheet in which a hole is formed; and a light source module exposed through the hole. The light source module may include a board aligned in parallel with the reflective sheet, wherein a first surface of the board is toward the reflective sheet, a light emitting diode positioned in an area defined by the hole on the first surface of the board, a feed pad positioned on the first surface of the board and contacting the light emitting diode, an insulating dome positioned in the area defined by the hole on the first surface of the board and covering the light emitting diode, and at least one antistatic pad positioned in the area defined by the hole on the first surface of the board, without contacting the light emitting diode.
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公开(公告)号：EP3835857A3
公开(公告)日：2021-09-01
申请号：EP20208756.5
申请日：2020-11-19
发明人： LEE, Kyehoon , KIM, Jigwang , KIM, Jiwon , SOH, Jaemin , LEE, Sanghoon , CHOI, Daesu
IPC分类号： G02F1/1335 , G02F1/13357 , G02F1/1347
摘要： A display apparatus includes a light source array in which a plurality of light sources emitting light by a local dimming are arranged, a color conversion layer comprising color conversion particles that convert the emitted light into light of a certain color, and configured to emit white light by using the converted light, a display panel configured to generate an image by using the white light, and a selective transmission member arranged between the light source array and the color conversion layer. The selective transmission member is configured to transmit the light to the color conversion layer, and avoid transmitting the light in the color conversion layer to the light source array.
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公开(公告)号：EP3825760A1
公开(公告)日：2021-05-26
申请号：EP20208765.6
申请日：2020-11-19
发明人： LEE, Kyehoon
IPC分类号： G02F1/13357 , G02F1/1335 , G02F1/133 , G02B6/00 , G02B26/00 , G02F1/1334 , G02F1/1347 , G02F1/137
摘要： Provided are a backlight unit and a display apparatus including the same. The backlight unit includes: a light guide plate configured to diffuse and transmit light that is incident on the light guide plate; and a white light emitting member configured to convert incident light transmitted by the light guide plate to white light having a color temperature that is adjusted according to a degree of conversion of the incident light into light of a specific color based on application of an electrical signal to the white light emitting member, and to emit the white light.
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公开(公告)号：EP4365672A1
公开(公告)日：2024-05-08
申请号：EP22924320.9
申请日：2022-10-26
发明人： KIM, Hyungsuk , PARK, Kyungsoo , KIM, Hyungjin , LEE, Kyehoon , CHOI, Junsung
IPC分类号： G02F1/13357
CPC分类号： G02F1/1336
摘要： Disclosed are a display device and a light source device thereof. A light source device comprising: an optical member; a substrate disposed on a first side of the optical member; and a support disposed between the optical member and the substrate, wherein the support comprises: a support body on the substrate, and a protection member which is disposed on a first end of the support body which is close to the optical member, the protection member comprising a material that has at least one of flexibility and elasticity.
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公开(公告)号：EP4300145A1
公开(公告)日：2024-01-03
申请号：EP22858578.2
申请日：2022-05-25
发明人： LEE, Youngmin , KIM, Sungyeol , KIM, Hyungsuk , SHIN, Seungyong , LEE, Kyehoon
IPC分类号： G02B6/00 , G02F1/13357 , H05B45/10 , H05B45/44
摘要： A display apparatus including a liquid crystal panel; and a backlight unit configured to emit light to the liquid crystal panel is provided. The backlight unit includes a bottom chassis; a first interface board disposed on a front surface of the bottom chassis; a plurality of light source modules disposed on the front surface of the bottom chassis, arranged at predetermined intervals, and each of the plurality of light source modules having one end connected to the first interface board; and a second interface board disposed on a rear surface of the bottom chassis and connected to the first interface board.
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