Display apparatus for vehicle

• US 5,598,175 A
• Filed: 01/05/1993
• Issued: 01/28/1997
• Est. Priority Date: 01/07/1992
• Status: Expired due to Term

• Current Assignee: Yazaki Corporation
• Original Assignee: Yazaki Corporation
• Inventors: Iino, Tadashi
• Primary Examiner(s): Kuntz, Curtis
• Assistant Examiner(s): Oh, Minson
• Application Number:
  US08/000,610
• Time in Patent Office: 1,484 Days
• Field of Search: 359/13, 359/14, 359/630, 340/705, 345/7, 345/87
• US Class Current: 345/7
• CPC Class Codes: B60K 2360/785 on or in relation to the windshield or windows
• CPC Class Codes: B60K 35/00 Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
• CPC Class Codes: B60K 35/60 Instruments characterised by their location or relative disposition in or on vehicles arrangements of lighting devices on dashboards B60Q3/10
• CPC Class Codes: G02B 2027/0118 comprising devices for improving the contrast of the display / brillance control visibility
• CPC Class Codes: G02B 27/0103 comprising holographic elements

Abstract

This invention relates to a display apparatus for a vehicle having a head up display with a hologram for reflecting display light from a displayer. The display apparatus for a vehicle according to the present invention comprises: a displayer for displaying vehicle information; a hologram having a reflecting function installed in the vicinity of a lower portion of a windshield, the hologram diffracting a display light from the displayer toward a driver of the vehicle; and a dark member attached to a rear face of the hologram to shield external light entering the hologram.

Claims

1. A display apparatus for a vehicle comprising:

a displayer located within a vehicle for displaying vehicle information;

a non-transmissive dark member secured to a lower inside portion of a windshield; and

a reflective hologram secured to the non-transmissive dark member, said reflective hologram diffracting a display light from the displayer toward a driver of the vehicle, said non-transmissive dark member having an area at least as large as an area of the reflective hologram to preclude all external light from entering the reflective hologram.

2. A display apparatus for a vehicle as claimed in claim 1, wherein said non-transmissive dark member includes a dark film.

3. A display apparatus for a vehicle as claimed in claim 1, wherein said non-transmissive dark member includes a black ceramic paint.

4. A display apparatus for a vehicle comprising:

a displayer located within a vehicle for displaying vehicle information;

a non-transmissive dark member secured between a lower portion of a first pane of glass of a windshield and a lower portion of a second pane of glass of the windshield; and

a reflective hologram secured between the non-transmissive dark member and the second pane of glass, said reflective hologram diffracting a display light from the displayer toward a driver of the vehicle, said non-transmissive dark member having an area at least as large as an area of the reflective hologram to preclude all external light from entering the reflective hologram.

5. A display apparatus for a vehicle as claimed in claim 4, wherein said non-transmissive dark member includes a dark film.

6. A display apparatus for a vehicle as claimed in claim 4, wherein said non-transmissive dark member includes a black ceramic paint.