Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
DISPLAY DEVICE FOR VEHICLE
Document Type and Number:
Japanese Patent JP3313182
Kind Code:
B2
Abstract:

PURPOSE: To provide a display device for vehicle in which boundary reflection due to prisms for preventing external light arranged on the surface of the display device is reduced and a display image of high brightness is obtained.
CONSTITUTION: A display device 1, and a first and a second prisms 11, 12 which are arranged close to the display screen of the display device 1 and closely contacted with each other so as to face the prism apex angles in the opposite directions, are provided. A reflecting member 4 which reflects the display light of the display device 1 transmitted through the prisms 11, 12 and leads to the visual point of a driver, is provided. This display device is constituted so that the display light of the display device 1 is projected to the reflecting face of the reflecting member 4 in a state of P-polarized light and a polarization direction rotating means 5 is arranged between the prism 11 and the reflecting member 4 so as to rotate the display light transmitted through the prism 11 by 90°C.


Inventors:
Korenaga Hidenobu
Makoto Takashima
Tadashi Iino
Application Number:
JP9420493A
Publication Date:
August 12, 2002
Filing Date:
April 21, 1993
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
Yazaki Corporation
International Classes:
G02B27/01; B60K35/00; G02B27/28; G02F1/13357; G09F9/00; G02B5/04; G02B5/30; G02B27/00; G02F1/1335; (IPC1-7): B60K35/00; G02B27/02; G02B27/28; G09F9/00
Domestic Patent References:
JP3197239A
Attorney, Agent or Firm:
Hideo Takino (3 others)