Vehicle mirror with image display function

• US 10,308,185 B2
• Filed: 05/31/2017
• Issued: 06/04/2019
• Est. Priority Date: 12/01/2014
• Status: Active Grant

• Current Assignee: Fujifilm Corporation (Fujifilm Holdings Corporation)
• Original Assignee: Fujifilm Corporation (Fujifilm Holdings Corporation)
• Inventors: Anzai, Akihiro, Oki, Kazuhiro, Ichihashi, Mitsuyoshi, Taguchi, Takao
• Primary Examiner(s): Lavarias, Arnel C
• Application Number:
  US15/609,345
• Publication Number:
  US 20170259744A1
• Time in Patent Office: 734 Days
• Field of Search: 35948301, 35948801, 35948503, 35948501, 35948901, 35948907, 359838, 359839, 359844, 359871, 359883, 349 1, 349 5, 349 11, 349 13, 349 58, 349 96, 349 98, 349113, 349115, 349122, 349162
• CPC Class Codes: B60R 1/04 mounted inside vehicle B60R1/025, B60R1/08 take precedence
• CPC Class Codes: B60R 1/083 Anti-glare mirrors, e.g. "day-night" mirrors
• CPC Class Codes: B60R 1/12 Mirror assemblies combined with other articles, e.g. clocks
• CPC Class Codes: B60R 2001/1253 with cameras, video cameras or video screens
• CPC Class Codes: G02B 27/28 for polarising used in stereoscopes G02B30/25
• CPC Class Codes: G02F 1/133308 Support structures for LCD panels, e.g. frames or bezels
• CPC Class Codes: G02F 1/133536 Reflective polarizers G02F1/13362 takes precedence
• CPC Class Codes: G02F 1/133541 Circular polarisers
• CPC Class Codes: G02F 1/133562 on the viewer side
• CPC Class Codes: G02F 1/13363 Birefringent elements, e.g. for optical compensation
• CPC Class Codes: G02F 1/133638 Waveplates, i.e. plates with a retardation value of lambda/n
• CPC Class Codes: G02F 2203/01 transmissive
• CPC Class Codes: G02F 2413/01 Number of plates being 1
• CPC Class Codes: G02F 2413/05 Single plate on one side of the LC cell
• CPC Class Codes: H04N 5/64 Constructional details of receivers, e.g. cabinets or dust covers furniture aspects of television cabinets A47B81/06
• CPC Class Codes: H04N 5/65 Holding-devices for protective discs or for picture masks

Abstract

A vehicle mirror with an image display function including, in this order: an image display device; a circular polarization reflection layer; and a front surface plate made of glass or plastic, in which the circular polarization reflection layer includes a linear polarization reflection plate and a ¼ wavelength plate from the image display device side. The vehicle mirror with an image display function of the invention is capable of displaying a bright image.

Claims

1. A vehicle mirror with an image display function comprising, in this order:

an image display device;

a circular polarization reflection layer; and

a front surface plate, made of glass or plastic, on an outermost surface of the vehicle mirror,

wherein;

the circular polarization reflection layer and the front surface plate are directly adhered to each other;

the circular polarization reflection layer includes a linear polarization reflection plate and a ¼

wavelength plate,

the image display device, the linear polarization reflection plate, and the ¼

wavelength plate are arranged in this order; and

the linear polarization reflection plate and the ¼

wavelength plate are directly adhered to each other through an adhesive layer.

2. The vehicle mirror with an image display function according to claim 1,

wherein the linear polarization reflection plate has a multi-layer structure.

3. The vehicle mirror with an image display function according to claim 2,

wherein the multi-layer structure is a multi-layer structure in which resins having different types of birefringence are alternately laminated.

4. The vehicle mirror with an image display function according to claim 2,

wherein the ¼

wavelength plate is a stretched film.

5. The vehicle mirror with an image display function according to claim 4,

wherein the ¼

wavelength plate is a polycarbonate film.

6. The vehicle mirror with an image display function according to claim 5,

wherein the front surface plate is made of glass.

7. The vehicle mirror with an image display function according to claim 5, which is a vehicle rearview mirror.

8. The vehicle mirror with an image display function according to claim 7, which has an outer frame.

9. The vehicle mirror with an image display function according to claim 1,

wherein the ¼

wavelength plate is a stretched film.

10. The vehicle mirror with an image display function according to claim 9,

wherein the ¼

wavelength plate is a polycarbonate film.

11. The vehicle mirror with an image display function according to claim 10,

wherein the front surface plate is made of glass.

12. The vehicle mirror with an image display function according to claim 10, which is a vehicle rearview mirror.

13. The vehicle mirror with an image display function according to claim 12, which has an outer frame.

14. The vehicle mirror with an image display function according to claim 1,

wherein the image display device and the circular polarization reflection layer are directly adhered to each other through an adhesive layer.

15. The vehicle mirror with an image display function according to claim 1,

wherein the front surface plate is made of glass.

16. The vehicle mirror with an image display function according to claim 1, which is a vehicle rearview mirror.

17. The vehicle mirror with an image display function according to claim 16, which has an outer frame.

18. The vehicle mirror with an image display function according to claim 1, which has an outer frame.