TRANSMISSIVE DISPLAY DEVICE AND METHOD OF CONTROLLING TRANSMISSIVE DISPLAY DEVICE

• US 20150022542A1
• Filed: 07/17/2014
• Published: 01/22/2015
• Est. Priority Date: 07/18/2013
• Status: Active Grant

• Current Assignee: Seiko Epson Corporation (Seiko Group)
• Original Assignee: Seiko Epson Corporation (Seiko Group)
• Inventors: Baba, Hiroyuki
• Granted Patent: US 9,551,870 B2
• Time in Patent Office: Days
• US Class Current: 345/589
• CPC Class Codes: G02B 2027/0118 comprising devices for improving the contrast of the display / brillance control visibility
• CPC Class Codes: G02B 2027/0178 Eyeglass type eyeglass details G02C
• CPC Class Codes: G02B 27/017 Head mounted
• CPC Class Codes: G09G 2360/144 the light being ambient light
• CPC Class Codes: G09G 3/001 using specific devices not provided for in groups G09G3/02 - G09G3/36, e.g. using an intermediate record carrier such as a film slide; Projection systems; Display of non-alphanumerical information, solely or in combination with alphanumerical information, e.g. digital display on projected diapositive as background slide projectors per se G03B23/00 = 42 HP

Abstract

A head mounted display device that allows a user to visually recognize a content as a virtual image, includes a display part that displays the content in a predetermined display area, and a control part that determines a background color of the content and use environment brightness and adjusts brightness of the display area in response to the determination results thereof.

Claims

1. A transmissive display device that allows a user to visually recognize a content as a virtual image, comprising:

a display part that displays the content in a predetermined display area;

a background color determination part that determines a background color of the content; and

a brightness adjustment part that adjusts brightness of the display area in response to the background color of the content.

2. The transmissive display device according to claim 1, further comprising a use environment brightness determination part that determines use environment brightness,

wherein the brightness adjustment part adjusts the brightness of the display area in response to the use environment brightness.

3. The transmissive display device according to claim 1, wherein the content is a book content, and

the background color determination part determines the background color in a text area of the book content.

4. The transmissive display device according to claim 3, further comprising a character color determination part that determines a character color in the text area,

wherein the brightness adjustment part adjusts the brightness of the display area in response to the character color.

5. The transmissive display device according to claim 1, wherein the background color determination part determines a color most frequently appearing in the content as the background color of the content.

6. The transmissive display device according to claim 1, wherein the background color determination part detects areas in the same color in a predetermined or wider range from the content and determines the color of the areas in the same color as the background color of the content.

7. The transmissive display device according to claim 1, wherein the content is a book content, and

the background color determination part detects data in a predetermined position in a predetermined page of the book content and determines a color of the data as the background color of the content.

8. The transmissive display device according to claim 1, further comprising a transmittance adjustment part that adjusts transmittance of outside light entering the display part,

wherein the transmittance adjustment part adjusts the transmittance of the outside light in response to the background color of the content.

9. The transmissive display device according to claim 1, wherein the display part includes a transmissive display part for right eye and a transmissive display part for left eye, and

the brightness adjustment part independently adjusts brightness of a display area for right eye that can be displayed by the transmissive display part for right eye and a display area for left eye that can be displayed by the transmissive display part for left eye.

10. A method of controlling a transmissive display device that allows a user to visually recognize a content as a virtual image, comprising:

determining a background color of the content; and

adjusting brightness of a display area for displaying the content in response to the background color of the content.