公开(公告)号：US20180164638A1

公开(公告)日：2018-06-14

申请号：US15839156

申请日：2017-12-12

Applicant: LG Display Co., Ltd.

Inventor： ARa YOON ,  Seungman RYU

IPC: G02F1/1335 ,  G06K9/00

CPC classification number: G02F1/133553 ,  G02B6/0031 ,  G02B6/0055 ,  G02B6/0088 ,  G02F1/133602 ,  G02F2001/133331 ,  G06F3/042 ,  G06F2203/04109 ,  G06K9/0004

Abstract: The present disclosure relates to a flat panel display embedding an optical imaging sensor such as a fingerprint image sensor. The present disclosure provides a flat panel display embedding an image sensor comprising: a display panel including a display area and a non-display area; and a directional optical unit having a length and a width corresponding to the display panel and a thickness, and attached on a top surface of the display panel, wherein the directional optical unit includes: a cover plate; a light radiating film corresponding to the display area under the cover plate; a light incident film disposed under the cover plate; a low refractive layer disposed under the light radiating film and the light incident film, and attached on the top surface of the display panel; a reflecting layer covering one upper edge side of the cover plate facing the light incident film and one vertical side connecting to the one upper edge side; and a light source disposed at the lateral side of the display panel.

公开(公告)号：US20180150671A1

公开(公告)日：2018-05-31

申请号：US15822170

申请日：2017-11-26

Applicant: LG Display Co., Ltd.

Inventor： Kyoseop CHOO ,  Hongchul KIM ,  Hoon KANG ,  Buyeol LEE ,  Seungman RYU

IPC: G06K9/00 ,  G06F3/041 ,  G06F3/042 ,  G09G3/3233 ,  H01L27/32

CPC classification number: G06K9/0004 ,  G06F3/0412 ,  G06F3/0416 ,  G06F3/0421 ,  G09G3/3233 ,  H01L27/323 ,  H01L27/3234 ,  H01L27/326

Abstract: An electroluminescent display device integrated with a fingerprint sensor comprises: a display panel comprising a plurality of display pixels; a transparent substrate bonded to the top of the display panel; and an image sensor bonded to the bottom of the display panel, wherein each of the display pixels in at least some part of the pixel array on the display panel comprises a light transmission area, the image sensor comprises a plurality of photosensors, one or more of the photosensors are exposed within the light transmission area, and the resolution of the image sensor is higher than or equal to the resolution of the display panel.

公开(公告)号：US20130314781A1

公开(公告)日：2013-11-28

申请号：US13669698

申请日：2012-11-06

Applicant: LG DISPLAY CO., LTD.

Inventor： Juhoon JANG ,  Jinyeong KIM ,  Heeyoung CHAE ,  Seungman RYU ,  Meeran PARK

IPC: G02B27/26

CPC classification number: G02B27/26 ,  G02B5/201 ,  G02B5/3083 ,  G02B27/2214

Abstract: The present disclosure relates to a patterned retarder type display device having a black strip and a method for manufacturing the same. The present disclosure suggests a patterned retarder type display device comprising: a display panel having a plurality of unit pixel lines disposed in column direction, wherein each unit pixel line includes N (N is one of natural number) pixel lines; a patterned retarder film disposed on the outer surface of the display panel and including unit patterned retarders corresponding to each of the unit pixel lines; and a black strip disposed between two unit patterned retarders on the outer surface of the display panel. The display device according to the present disclosure provides excellent 3D viewing angle and the brightness dropdown caused by the black strip can be reduced.

Abstract translation: 本发明涉及一种具有黑带的图案化延迟器型显示装置及其制造方法。 本公开内容提出了一种图案化延迟器型显示装置，包括：具有沿列方向布置的多个单位像素线的显示面板，其中每个单位像素线包括N（N是自然数之一）像素线; 设置在所述显示面板的外表面上的图案化延迟片，并且包括对应于每个所述单位像素线的单元图案化延迟器; 以及布置在显示面板的外表面上的两个单元图案化延迟器之间的黑条。 根据本公开的显示装置提供优异的3D视角，并且可以减少由黑色条带引起的亮度下降。

公开(公告)号：US20200226345A1

公开(公告)日：2020-07-16

申请号：US16838368

申请日：2020-04-02

Applicant: LG Display Co., Ltd.

Inventor： Guensik LEE ,  Seungman RYU ,  ARa YOON ,  Junghoon LEE

IPC: G06K9/00 ,  H01L27/32 ,  G06F3/042 ,  G06F3/041 ,  H04M1/02 ,  F21V8/00

Abstract: The present disclosure relates to a flat panel display embedding an optical imaging sensor such as a fingerprint image sensor. The present disclosure provides a flat panel display embedding an image sensor comprising: a display panel including a display area and a non-display area; and a directional optical unit having a length and a width corresponding to the display panel and a thickness, and attached on a top surface of the display panel, wherein the directional optical unit includes: a first cover plate and a second cover plate having a size corresponding to the length and the width and joining each other by a first low refractive layer between the first cover plate and the second cover plate; a light radiating film corresponding to the display area under the second cover plate; a light incident film disposed outside of the display area at one lateral side of the light radiating film, under the second cover plate; a second low refractive layer disposed under the light radiating film and the light incident film, and attached on the top surface of the display panel; and a light source disposed at the lateral side of the display panel as facing with the light incident film.

公开(公告)号：US20180190710A1

公开(公告)日：2018-07-05

申请号：US15826075

申请日：2017-11-29

Applicant: LG Display Co., Ltd.

Inventor： Seungman RYU ,  Hoon KANG ,  Joobong HYUN ,  Jinhyuk JANG ,  Ara YOON

IPC: H01L27/146 ,  H01L27/32 ,  H01L25/16 ,  H01L27/15

CPC classification number: H01L27/14678 ,  H01L23/4985 ,  H01L25/167 ,  H01L27/14618 ,  H01L27/14627 ,  H01L27/14636 ,  H01L27/15 ,  H01L27/3234

Abstract: The present disclosure relates to a flat panel display embedding an optical imaging sensor such as a fingerprint image sensor. The present disclosure provides a flat panel display embedding an optical image sensor comprising: a display panel including a display area and a sensing area defined in the display area; a barrier plate having a light transparent area corresponding to the sensing area and disposed at a rear surface of the display panel; and a light sensor disposed under the barrier plate corresponding to the light transparent area.

公开(公告)号：US20180005003A1

公开(公告)日：2018-01-04

申请号：US15637824

申请日：2017-06-29

Applicant: LG DISPLAY CO., LTD.

Inventor： Seungman RYU ,  Hyungseok BANG ,  Ara YOON

IPC: G06K9/00 ,  G06F3/041 ,  G02F1/1333 ,  G06F3/042 ,  G01B7/004

Abstract: Discussed is a flat panel display device embedding an optical imaging sensor such as a fingerprint image sensor. The device includes: a display panel including a display area and a non-display area, and having a top surface; and a directional optical unit attached to the top surface of the display panel, the directional optical unit having a length along a length axis of the display panel, a width along a width axis of the display panel and a thickness along a thickness axis of the display panel, wherein the directional optical unit provides a sensing light to the display area, and wherein the sensing light is collimated and directionized along a predetermined direction of the directional optical unit.

公开(公告)号：US20170010400A1

公开(公告)日：2017-01-12

申请号：US15184349

申请日：2016-06-16

Applicant: LG Display Co., Ltd. ,  Covestro Deutschland AG

Inventor： Hyungseok BANG ,  Seungman RYU ,  Joobong HYUN ,  Friedrich-Karl BRUDER

IPC: F21V8/00

CPC classification number: G02B6/002 ,  G02B6/0028 ,  G02B6/005 ,  G02B6/0055 ,  G02B6/0068 ,  G02B6/0073 ,  G02F1/133615

Abstract: The present disclosure relates to a viewing angle switchable back light unit in which the general mode and the privacy mode in a liquid crystal display can be selected. The present disclosure suggests a thin film type back light unit comprising: a light guide film including a light entering part disposed at one side, a light changing part disposed at other side and a light guiding part connecting the light entering part and the light changing part; a light radiating part disposed on an upper surface of the light guide film; and a light source disposed at the light entering part of the light guide film. The light entering part includes a wedge light coupler and a light deflection element. The light changing part includes a light reflecting pattern. The light radiating part includes a light radiating film providing some of the collimated lights as back lights.

Abstract translation: 本公开涉及其中可以选择液晶显示器中的一般模式和隐私模式的视角可切换背光单元。 本公开内容提出一种薄膜型背光单元，包括：导光膜，包括设置在一侧的光入射部分，设置在另一侧的光改变部分和连接光入射部分和光改变部分的光引导部分 ; 布置在所述导光膜的上表面上的光辐射部; 以及设置在光进入导光膜部分的光源。 光进入部分包括楔形光耦合器和光偏转元件。 光改变部分包括光反射图案。 光辐射部分包括提供一些准直光作为背光的光辐射膜。

公开(公告)号：US20160187556A1

公开(公告)日：2016-06-30

申请号：US14959627

申请日：2015-12-04

Applicant: COVESTRO DEUTSCHLAND AG. ,  LG DISPLAY CO., LTD.

Inventor： Hyungseok BANG ,  Seungman RYU ,  Friedrich-Karl BRUDER

IPC: F21V8/00

CPC classification number: G02B6/005 ,  G02B6/0031 ,  G02B6/0045 ,  G02B6/0055

Abstract: Provided is a back light unit for a display device that has a light guide film. The light guide film includes, for example, a light entering part at a first side; a light reflecting part disposed at a second side; and a light guiding part between the light entering part and the light reflecting part, wherein the light entering part selectively sends an incident light of an expanded light provided from a light source that satisfies a total reflection condition toward the light guiding part, and wherein the light reflecting part converts the incident light provided from the light guiding part into a collimated light and sends it to the light guiding part.

Abstract translation: 本发明提供一种具有导光膜的显示装置的背光单元。 导光膜例如包括在第一侧的光进入部分; 设置在第二侧的光反射部; 以及光入射部和光反射部之间的导光部，其中，所述光进入部选择性地将从满足全反射条件的光源提供的扩大光的入射光朝向所述导光部发送， 光反射部将从导光部提供的入射光转换成准直光并将其发送到导光部。

公开(公告)号：US20150185393A1

公开(公告)日：2015-07-02

申请号：US14586014

申请日：2014-12-30

Applicant: LG Display Co., Ltd.

Inventor： Hyungseok BANG ,  Hoon KANG ,  Seungman RYU

IPC: F21V8/00

CPC classification number: G02B6/0023 ,  G02B6/0026 ,  G02B6/0035 ,  G02B6/0055 ,  G02B6/0065

Abstract: Disclosed is a flat panel display device having a display panel and a back light unit in which the back light unit may, for example, include a bas film having a width and a length and including a high refractive film and a low refractive film on the high refractive film; a first incident pattern at a one side of a first surface of the base film; a reflective pattern on the first surface of the base film at an opposite side spaced apart from the one side with a distance substantially corresponding to the length of the first surface of the base film and substantially covering the width of the first surface of the base film; a light radiating pattern on a second surface of the base film; and a light source spaced apart from the first incident pattern with a first focal length and providing an incident light to the first incident pattern.

Abstract translation: 公开了一种具有显示面板和背光单元的平板显示装置，其中背光单元可以例如包括具有宽度和长度的底膜，并且包括高折射膜和低折射膜 高折射膜; 在所述基膜的第一表面的一侧的第一入射图案; 在基膜的第一表面上的反射图案在与该一侧间隔开的相对侧上具有基本上对应于基膜的第一表面的长度的距离并且基本上覆盖基膜的第一表面的宽度 ; 在所述基膜的第二表面上的光辐射图案; 以及与第一入射图案间隔开的具有第一焦距并且向第一入射图案提供入射光的光源。