MIRROR DISPLAY HAVING TOUCH PANEL

• US 20170285382A1
• Filed: 08/26/2015
• Published: 10/05/2017
• Est. Priority Date: 09/02/2014
• Status: Active Grant

• Current Assignee: Sharp Kabushiki Kaisha (Hon Hai Precision Industry Co., Ltd.)
• Original Assignee: Sharp Kabushiki Kaisha (Hon Hai Precision Industry Co., Ltd.)
• Inventors: HASEGAWA, Masahiro, HAKOI, Hiroyuki, SAKAI, Akira, MINOURA, Kiyoshi
• Granted Patent: US 10,175,519 B2
• Time in Patent Office: Days
• CPC Class Codes: A47G 1/02 Mirrors used as equipment hand, pocket, or shaving mirrors A45D42/00; optical viewing means for vehicles B60R1/00
• CPC Class Codes: G02F 1/133302 Rigid substrates, e.g. inorganic substrates
• CPC Class Codes: G02F 1/13338 Input devices, e.g. touch panels
• CPC Class Codes: G02F 1/133536 Reflective polarizers G02F1/13362 takes precedence
• CPC Class Codes: G02F 2202/28 Adhesive materials or arrangements
• CPC Class Codes: G02F 2203/02 reflective
• CPC Class Codes: G06F 3/045 using resistive elements, e.g. a single continuous surface or two parallel surfaces put in contact

Abstract

One aspect of the present invention provides a touch panel-equipped mirror display that can reduce distortion and ghosting in mirror images while also reducing the rainbow effect in displayed images. The touch panel-equipped mirror display according to one aspect of the present invention includes, in order from a rear side: a display device that includes a polarizer; a touch panel; and a mirror plate that includes a reflective polarizer and a substrate, wherein the reflective polarizer and the substrate are fixed together, and wherein the touch panel does not create a phase difference in light. It is preferable that the substrate be a glass substrate with a thickness of greater than or equal to 0.1 mm and less than or equal to 0.4 mm.

Claims

1. :

A touch panel-equipped mirror display, comprising, in order from a rear side;

a display device including a polarizer;

a touch panel; and

a mirror plate including a reflective polarizer and a substrate,

wherein the reflective polarizer and the substrate are fixed together, and

wherein a phrase difference created by the touch panel for light at a wavelength of 550 nm is less than or equal to 20 nm.

2. :

The touch panel-equipped mirror display according to claim 1, wherein the substrate is a glass substrate with a thickness of 0.1 mm to 0.4 mm.

3. :

The touch panel-equipped mirror display according to claim 1, wherein the mirror plate is fixed to the touch panel by an adhesive layer.

4. :

The touch panel-equipped mirror display according to claim 1, wherein the display device is a liquid crystal display device.

5. :

The touch panel-equipped mirror display according to claim 1, wherein the phrase difference created by the touch panel for light in a wavelength range of 380 nm to 780 nm is less than or equal to 20 nm.

6. :

The touch panel-equipped mirror display according to claim 1,

wherein the touch panel includes a first resistive member and a second resistive member coupled to the first resistive member,

wherein the first resistive member includes a glass substrate and a transparent conductive film formed on the glass substrate, and the second resistive member includes a zero phase difference film and a transparent conductive film formed on the zero phase difference film, and

wherein the phase difference created by the touch panel for light of a wavelength of 550 nm is 0.3 nm.