Title:
光学式イメージ認識センサー内蔵型平面表示装置
Document Type and Number:
Japanese Patent JP6479151
Kind Code:
B2
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 (DP) including a display area (AA) and a non-display area (NA); and a directional optical unit having a length and a width corresponding to the display panel (DP) and a thickness, and attached on a top surface of the display panel (DP), wherein the directional optical unit includes: a first cover plate (CP1) and a second cover plate (CP2) having a size corresponding to the length and the width and joining each other by a first low refractive layer (LR1) between the first cover plate and the second cover plate (CP2); a light radiating film (VHOE) corresponding to the display area (AA) under the second cover plate (CP2); a light incident film (CHOE) disposed outside of the display area (AA) at one lateral side of the light radiating film (VHOE), under the second cover plate (CP2); a second low refractive layer (LR2) disposed under the light radiating film (VHOE) and the light incident film (CHOE), and attached on the top surface of the display panel; and a light source (LS) disposed at the lateral side of the display panel as facing with the light incident film (CHOE).
Inventors:
Lee, Nguyen Sik
Ryu, Summan
Yoon, Ala
Lee, Jun Hoon
Ryu, Summan
Yoon, Ala
Lee, Jun Hoon
Application Number:
JP2017235624A
Publication Date:
March 06, 2019
Filing Date:
December 08, 2017
Export Citation:
Assignee:
LG Display Company Limited
International Classes:
G06T1/00; A61B5/1172
Domestic Patent References:
| JP9509490A | ||||
| JP2007526542A | ||||
| JP2006501499A |
Foreign References:
| US20150185393 | ||||
| CN105184282A |
Other References:
神原 実,“散乱光学式指紋センサー”,月刊ディスプレイ,日本,鈴木 宗昭、株式会社テクノタイムズ社,2006年 8月 1日,Vol.12, No.8,pp.76-81
Attorney, Agent or Firm:
Sonoda/Kobayashi Patent Business Corporation