公开(公告)号：US20180314206A1

公开(公告)日：2018-11-01

申请号：US15964023

申请日：2018-04-26

Applicant: LG Display Co., Ltd.

Inventor： Guensik LEE ,  Kyoseop CHOO ,  Seungman RYU ,  Junghoon LEE

IPC: G03H1/22 ,  G06K9/00 ,  G03H1/02 ,  G02B27/09

Abstract: A fingerprint sensor integrated display using a holographic optical element and a recording and reconstruction method of the holographic optical element are disclosed. The fingerprint sensor integrated display includes a display panel on which an input image is displayed, a transparent substrate disposed on the display panel, and a light entering element configured to irradiate light from a light source onto the transparent substrate. A particular type of visual information is reconstructed through a holographic element at a location of the light entering element.

公开(公告)号：US20180130844A1

公开(公告)日：2018-05-10

申请号：US15806151

申请日：2017-11-07

Applicant: LG DISPLAY CO., LTD.

Inventor： Kyoseop CHOO ,  Guensik LEE ,  Manhyeop HAN

IPC: H01L27/146 ,  H04N3/14 ,  H01L27/12 ,  H01L29/417 ,  H01L29/45 ,  H01L29/786

CPC classification number: H01L27/14678 ,  H01L27/1255 ,  H01L29/41733 ,  H01L29/458 ,  H01L29/78633 ,  H01L29/7869 ,  H04N3/155

Abstract: Disclosed herein is a photo sensor comprising a first thin film transistor (TFT) configured to convert light energy to electric energy; a storage capacitor having a first electrode and a second electrode configured to face to each other, and storing the electric energy from the first TFT as charge; and a second TFT configured to output the charge stored in the storage capacitor according to a control signal, wherein a first gate electrode of the first TFT, a first electrode of the storage capacitor and a second gate electrode of the second TFT are integrally formed.

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：US20180365475A1

公开(公告)日：2018-12-20

申请号：US15838143

申请日：2017-12-11

Applicant: LG Display Co., Ltd.

Inventor： Junghoon LEE ,  Guensik LEE

IPC: G06K9/00 ,  H05K1/18 ,  H05K1/11 ,  G06F3/041

CPC classification number: G06K9/00013 ,  G06F3/0412 ,  G06F3/0416 ,  G06K9/0004 ,  G06K9/0008 ,  H05K1/0274 ,  H05K1/111 ,  H05K1/116 ,  H05K1/181 ,  H05K1/182 ,  H05K1/184 ,  H05K2201/10106 ,  H05K2201/10121 ,  H05K2201/10128 ,  H05K2201/10151

Abstract: Disclosed herein is an optical image sensor device comprising a light source; a first printed circuit board (PCB) having a first through hole for accommodating the light source; a directional light unit configured to progress a light from the light source through a total refraction, and configured to converge light deviated from the total reflection by an object having biometric information when the object is placed to be adjacent to the directional light unit in a predetermined area, and emit it outside thereof; and an optical sensor between the first PCB and the directional light unit to receive the light emitted from the directional light unit.

公开(公告)号：US20160313696A1

公开(公告)日：2016-10-27

申请号：US14695610

申请日：2015-04-24

Applicant: LG Display Co., Ltd. ,  Bayer MaterialScience AG

Inventor： Hyungseok BANG ,  Heejin IM ,  Guensik LEE ,  Friedrich-Karl BRUDER ,  Thomas Peter FACKE ,  Marc-Stephan WEISER ,  Rainer HAGEN ,  Thomas ROLLE ,  Horst BERNETH ,  Dennis HONEL ,  Günther WALZE

IPC: G03H1/04 ,  G03H1/02

CPC classification number: G03H1/0402 ,  G02B5/32 ,  G03H1/0252 ,  G03H1/0272 ,  G03H1/04 ,  G03H1/0486 ,  G03H2001/026 ,  G03H2001/0264 ,  G03H2001/043 ,  G03H2001/0439 ,  G03H2240/43 ,  G03H2240/52 ,  G03H2240/55 ,  G03H2270/11

Abstract: The invention relates to a method for producing a holographic optical element by providing a recording stack comprising at least one recording element laminated on at least one supporting element, irradiating at least a part of the recording stack with at least one recording beam in an irradiating step, wherein during the irradiating step, the recording stack bends, providing a bending deviation threshold for the recording stack, and adjusting at least one first process parameter such that an expected maximum bending deviation of the recording stack does not exceed the bending deviation threshold, wherein the at least one first process parameter influences the bending behaviour of the recording stack during the irradiating step.

Abstract translation: 本发明涉及一种制造全息光学元件的方法，该方法通过提供一种包括至少一个层压在至少一个支撑元件上的记录元件的记录堆叠，在照射步骤中用至少一个记录光束照射至少一部分记录叠层 ，其中在所述照射步骤期间，所述记录堆叠弯曲，为所述记录堆叠提供弯曲偏差阈值，以及调整至少一个第一工艺参数，使得所述记录堆叠的预期最大弯曲偏差不超过所述弯曲偏差阈值，其中 该至少一个第一工艺参数在照射步骤期间影响记录堆叠的弯曲行为。

公开(公告)号：US20140092457A1

公开(公告)日：2014-04-03

申请号：US13716855

申请日：2012-12-17

Applicant: LG DISPLAY CO., LTD.

Inventor： Hyungseok BANG ,  Heejin IM ,  Guensik LEE

IPC: G03H1/26 ,  G03H1/22

CPC classification number: G03H1/26 ,  G03H1/2202 ,  G03H1/2286 ,  G03H1/2294 ,  G03H2001/2242 ,  G03H2210/30 ,  G03H2222/35 ,  G03H2223/23

Abstract: The present disclosure relates to a back light unit providing direction controllable collimated light beam and a three-dimensional display using the same. The present disclosure suggests a back light unit comprising: a light source for generating light; and a light direction controller for converting the light from the light source into a direction controlled collimated light beam having a refraction angle, the direction controlled collimated light beam emitted to a predetermined area to generate a three-dimensional holographic image. The back light unit according to the present disclosure can provide direction controllable collimation light having uniform brightness distribution over a large diagonal area of the spatial light modulator with thin and simple structure.

Abstract translation: 本发明涉及提供方向可控的准直光束的背光单元和使用其的三维显示器。 本公开提出了一种背光单元，包括：用于产生光的光源; 以及用于将来自光源的光转换成具有折射角的方向控制的准直光束的光方向控制器，所述方向控制的准直光束发射到预定区域以产生三维全息图像。 根据本公开的背光单元可以提供具有薄且简单结构的在空间光调制器的大对角区域上具有均匀亮度分布的方向可控制准直光。