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公开(公告)号：US10459167B2
公开(公告)日：2019-10-29
申请号：US16108228
申请日：2018-08-22
申请人： LG Display Co., Ltd.
发明人： Wonrae Kim , Seungbum Lee , Sooin Kim
摘要： The present disclosure relates to an optical fiber capable of converting a wavelength of a light emitted from a light source and a backlight unit using the same.According to the present disclosure, it is possible to extract a light of a desired wavelength band or a desired color (for example, a white light) by connecting an optical fiber, to which a color conversion material is applied, to a single laser light emitting element that emits a light of a specific wavelength band.
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公开(公告)号：US11527593B2
公开(公告)日：2022-12-13
申请号：US17121362
申请日：2020-12-14
申请人： LG Display Co., Ltd.
发明人： Seungbum Lee , Wonrae Kim , Jungmin Yoon , Sooin Kim
摘要： An organic light-emitting display device includes a substrate; a thin-film transistor layer disposed on the substrate, and including a thin-film transistor including a gate electrode, a source electrode, and a drain electrode; a color filter layer disposed on the thin-film transistor layer and including a red color filter, a green color filter, and a blue color filter; an organic light-emitting element disposed on the color filter layer; and a plurality of out-coupling enhancing members formed in the thin-film transistor layer, wherein the out-coupling enhancing members are spaced from each other at a predetermined spacing and each of the out-coupling enhancing members extends in a stripe shape, and the out-coupling enhancing members vertically overlap the red color filter.
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公开(公告)号：US20190162905A1
公开(公告)日：2019-05-30
申请号：US16108228
申请日：2018-08-22
申请人： LG Display Co., Ltd.
发明人： Wonrae Kim , Seungbum Lee , Sooin Kim
摘要： The present disclosure relates to an optical fiber capable of converting a wavelength of a light emitted from a light source and a backlight unit using the same.According to the present disclosure, it is possible to extract a light of a desired wavelength band or a desired color (for example, a white light) by connecting an optical fiber, to which a color conversion material is applied, to a single laser light emitting element that emits a light of a specific wavelength band.
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公开(公告)号：US11228012B2
公开(公告)日：2022-01-18
申请号：US16585199
申请日：2019-09-27
申请人： LG Display Co., Ltd.
发明人： Seungbum Lee , Wonrae Kim , Sooin Kim , Younghoon Kim , Jungmin Yoon , Hyungyu Kim
摘要： A self light-emitting display device includes a substrate having a circuit board and a color filter pattern on the circuit board. The circuit board includes a driving thin-film transistor. The display device further includes a passivation film above the substrate, a color conversion pattern above the passivation film and overlapping the color filter pattern, and a light-emitting layer above the passivation film and the color conversion pattern. The light emitting layer includes a flat part and a convex part. The convex part is above the color conversion pattern and protrudes convexly relative to the flat part.
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公开(公告)号：US11088237B2
公开(公告)日：2021-08-10
申请号：US16586953
申请日：2019-09-28
申请人： LG Display Co., Ltd.
发明人： Seungbum Lee , Wonrae Kim , Sooin Kim
摘要： A self-light emitting display device comprises a circuit board including a driving thin-film transistor; a cathode; an organic film disposed between the circuit board and the cathode; an anode disposed between the circuit board and the organic film; and a color filter disposed between the circuit board and the anode and including a first color filter unit, a second color filter unit, and a third color filter unit; wherein the third color filter unit has a portion disposed between the first color filter unit and the second color filter unit, and wherein the third color filter unit is thicker than the first color filter unit and the second color filter unit.
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公开(公告)号：US10825872B2
公开(公告)日：2020-11-03
申请号：US16586955
申请日：2019-09-28
申请人： LG Display Co., Ltd.
发明人： Sooin Kim , Seungbum Lee , Wonrae Kim
摘要： A self-light emitting display device comprises at least one pixel comprising a first region, a second region and a third region; a blue light emitting diode disposed in the at least one pixel and configured to emit blue light; partitions disposed over the blue light emitting diode and spaced apart from one another, the partitions defining the first region, the second region and the third region; a color conversion pattern disposed over the blue light emitting diode and including a red color converting unit disposed between the partitions in the first region and configured to convert the blue light into red light and a green color converting unit disposed between the partitions in the second region and configured to convert the blue light into green light; and a selective transmission layer configured to transmit the blue light and to reflect the green light and the red light and comprising a first selective transmission region corresponding to the first and second regions, wherein the first selective transmission region includes a first bottom portion disposed between the color conversion pattern and the blue light emitting diode, and a first wall portion disposed between the color conversion pattern and partitions and extending from the first bottom portion.
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公开(公告)号：US10770516B2
公开(公告)日：2020-09-08
申请号：US16593415
申请日：2019-10-04
申请人： LG Display Co., Ltd.
发明人： Wonrae Kim , Seungbum Lee , Sooin Kim
摘要： A self-light emitting display device comprises at least one pixel including a first region and a second region; blue walls spaced apart from each other and dividing the first region and the second region to reflect and scatter blue light; a blue light-emitting layer configured to output the blue light and including a first blue light-emitting unit disposed between the blue walls in the first region, and a second blue light-emitting unit disposed between the blue walls in the second region; and a color conversion layer disposed over the blue light-emitting layer and including a green conversion unit disposed between the blue walls in the first region and configured to convert the blue light into green light, and a red conversion unit disposed between the blue walls in the second region and configured to convert the blue light into red light.
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