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公开(公告)号：US20200225521A1
公开(公告)日：2020-07-16
申请号：US16729669
申请日：2019-12-30
发明人： Sang-Gil LEE , JINHO PARK , DONGIL SON , Namheon KIM , TaeGyun KIM
IPC分类号： G02F1/13363 , G02F1/13357
摘要： A display device includes a light emitting unit which generates and emits a first color light; an optical member in which the first color light which is incident from the light emitting unit is color-converted and from which color-converted light is emitted; and a display panel to which the color-converted light which is emitted from the optical member is provided. The optical member includes: a quantum dot member which transmits a portion of the first color light and color-converts a portion of the first color light into a second color light and a third color light; and a filter member between the light emitting unit and the quantum dot member, the filter member including a cholesteric liquid crystal layer which reflects the second color light or the third color light which is incident to the filter member from the quantum dot member.
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公开(公告)号：US20210134235A1
公开(公告)日：2021-05-06
申请号：US17145572
申请日：2021-01-11
发明人： JAHUN KOO , JINHO PARK , JONG DEUK MOON , SU-HAN WOO , KYUNG-HUN LEE , KYUNG-UK CHOI
摘要： A liquid crystal display device includes a liquid crystal display panel, a light source configured to provide the liquid crystal display panel with a light, a vertical blank detector circuit configured to calculate a counting value of a vertical blank period of a frame by counting a synchronization signal, a luminance correction value calculator circuit configured to calculate a luminance correction value by comparing the counting value of the vertical blank period with a plurality of reference counting values, and a light source driver configured to generate a light source driving signal and provide the light source driving signal to the light source. The light source driving signal has a normal level corresponding to a normal luminance value in an active period of the frame and has a correction level corresponding to the luminance correction value in the vertical blank period of the frame.
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公开(公告)号：US20170025058A1
公开(公告)日：2017-01-26
申请号：US15288601
申请日：2016-10-07
发明人： WON SIK OH , YUNKI BAEK , JINHO PARK , GIGEUN KIM , CHEOLWOO PARK , KYOUNGWON LEE , HEESOON JEONG , JAEMIN HA
CPC分类号： G09G3/2092 , G06K9/00255 , G09G3/3611 , G09G2320/028 , G09G2320/0626 , G09G2320/0673 , G09G2354/00 , H04N5/202
摘要： An image display system includes a camera part and an image display part. The image display part includes a user analyzer, a gamma corrector, a gamma voltage generator, and a display panel. The camera part takes a picture of a user and generates a user image signal. The user analyzer calculates the user's viewing direction based on the user image signal. The gamma corrector generates a correction gamma value based on the viewing direction. The gamma voltage generator generates a gamma voltage based on the correction gamma value, and the display panel displays an image corresponding to the gamma voltage. Accordingly, the image display system provides the image having an optimized gamma curve to the user in real time even without a separate input from the user.
摘要翻译： 图像显示系统包括相机部分和图像显示部分。 图像显示部分包括用户分析器，伽马校正器，伽玛电压发生器和显示面板。 相机部分拍摄用户的照片并产生用户图像信号。 用户分析器基于用户图像信号计算用户的观看方向。 伽马校正器基于观察方向生成校正伽马值。 伽马电压发生器基于校正伽马值产生伽马电压，并且显示面板显示对应于伽马电压的图像。 因此，图像显示系统即使没有来自用户的单独输入，也可以实时地向用户提供具有优化的伽马曲线的图像。
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4.发明申请公开(公告)号：US20200292748A1
公开(公告)日：2020-09-17
申请号：US16798821
申请日：2020-02-24
发明人： JINHO PARK , Seong-Yong HWANG , Hansol KANG , Juyoun SON , JAE SUL AN
IPC分类号： F21V8/00
摘要： A backlight unit includes a display panel, a light guide plate beneath the display panel, a light source spaced apart from the light guide plate in a first direction, a plurality of first optical patterns beneath the light guide plate while extending in the first direction and being arranged in a second direction intersecting the first direction, and a plurality of second optical patterns beneath the plurality of first optical patterns. Each of the plurality of first optical patterns has a quadrangle shape when viewed in the first direction.
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公开(公告)号：US20190302535A1
公开(公告)日：2019-10-03
申请号：US16358153
申请日：2019-03-19
发明人： SEUNGIN BAEK , JINHO PARK , SUJIN CHOI , MIRA GWON , YOUNGEUN PARK , SEON-TAE YOON , KWANGKEUN LEE , JUNGHWAN YI , YOUNHO HAN
IPC分类号： G02F1/1335 , F21V8/00
摘要： A display device includes a display panel, a light guide plate disposed under the display panel, a light source disposed adjacent to one side surface of the light guide plate that generates a first light, a first refractive layer disposed between the light source and the one side surface of the light guide plate that has a refractive index greater than a refractive index of the light guide plate, and a second refractive layer disposed between the display panel and the light guide plate that has a refractive index less than the refractive index of the light guide plate. The first refractive layer includes a convex portion that protrudes into the one side surface of the light guide plate.
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公开(公告)号：US20190064589A1
公开(公告)日：2019-02-28
申请号：US15942927
申请日：2018-04-02
发明人： JINHO PARK , SANG-GIL LEE , TAEGIL KANG , NAMHEON KIM , HYUK-HWAN KIM , HAEIL PARK , BAEKHEE LEE , EUNGUK LEE , JAEJIN CHOI
IPC分类号： G02F1/1335 , G02F1/1343 , G02F1/1339 , F21V8/00
摘要： A display device includes a backlight unit. A display module configured to display an image is disposed on the backlight unit. A light conversion member is disposed between the display module and the backlight unit. The backlight unit includes a light source unit configured to generate light and a light guide plate configured to guide the light generated by the light source unit. The light conversion member includes a transfer layer disposed on the backlight unit and a light conversion layer disposed on the transfer layer.
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