Display unit and electronic apparatus

Patent metadata

Field	Value
Publication number	US-9436053-B2
Application number	US-201414290203-A
Country	US
Kind code	B2
Filing date	May 29, 2014
Priority date	Jun 5, 2013
Publication date	Sep 6, 2016
Grant date	Sep 6, 2016

Abstract

Provided is a display unit that includes: a pair of a first substrate and a second substrate that are arranged in opposition to each other; a display layer provided between the first substrate and the second substrate; and a display mode switching layer having an aperture for each pixel, and provided between the display layer and the second substrate.

First claim

The invention is claimed as follows:

1. A display unit, comprising:
a pair of a first substrate and a second substrate that are arranged in opposition to each other;
a display layer provided between the first substrate and the second substrate; and
a display mode controlling layer having an aperture for each pixel, and provided between the display layer and the second substrate,
wherein the display mode controlling layer is configured to adjust reflectance to control a display mode.

2. The display unit according to claim 1 , wherein the display mode controlling layer is configured to control a display mode by application of a voltage.

3. The display unit according to claim 1 , wherein the display mode controlling layer is configured to control a display mode in a display region for each predetermined region, the display region being arranged with the pixels.

4. The display unit according to claim 3 , wherein
the display mode controlling layer includes a plurality of first electrodes extending in a first direction and a plurality of second electrodes extending in a second direction, and
the first electrodes and the second electrodes have intersection points for the respective pixels.

5. The display unit according to claim 4 , wherein the display mode controlling layer is configured to control the display mode for each of the intersection points of the first electrodes and the second electrodes.

6. The display unit according to claim 3 , wherein the display mode controlling layer includes a first electrode and a second electrode that are arranged in opposition to each other, and at least one of the first electrode and the second electrode comprises a plurality of electrodes that extend unidirectionally.

7. The display unit according to claim 1 , wherein the display mode controlling layer is configured to further adjust transmittance to control the display mode.

8. The display unit according to claim 7 , wherein the display mode controlling layer is configured to adjust the transmittance in a multiple-step or non-step manner.

9. The display unit according to claim 1 , wherein the display mode controlling layer is configured to control the display mode between a black display and a mirror display, between the black display and a transmissive display, or switch the display mode to have a combination of one or more of the mirror display, the black display, and the transmissive display.

10. The display unit according to claim 1 , wherein the display mode controlling layer has a light-blocking film on a display layer side thereof.

11. The display unit according to claim 1 , wherein the display mode controlling layer comprises a metallic film.

12. The display unit according to claim 1 , wherein the display mode controlling layer comprises an electrochromic device.

13. The display unit according to claim 1 , wherein the display layer comprises a liquid crystal layer.

14. The display unit according to claim 1 , wherein the display layer comprises an organic layer that includes a light-emitting layer.

15. The display unit according to claim 1 , wherein the display mode controlling layer includes:
a first electrode and a second electrode that are arranged in opposition to each other, and one of the first electrode and the second electrode is configured to change its color reversibly from a metallic luster to a transparent color, the one of the first electrode and the second electrode including a first surface and a second surface, the first surface being in opposition to the other of the first electrode and the second electrode, and the second surface being located on opposite side of the first surface; and
a light-blocking film provided on the second surface of the one of the first electrode and the second electrode.

16. An electronic apparatus provided with a display unit, the display unit comprising:
a pair of a first substrate and a second substrate that are arranged in opposition to each other;
a display layer provided between the first substrate and the second substrate; and
a display mode controlling layer having an aperture for each pixel, and provided between the display layer and the second substrate,
wherein the display mode controlling layer is configured to adjust reflectance to control a display mode.

17. A display unit, comprising:
a pair of a first substrate and a second substrate that are arranged in opposition to each other;
a display layer provided between the first substrate and the second substrate; and
a display mode controlling layer having an aperture for each pixel, and provided between the display layer and the second substrate,
wherein the display mode controlling layer is configured to control a display mode separately for each predetermined region in a display region, and wherein the display region includes the pixels and the predetermined regions.

18. A display unit, comprising:
a pair of a first substrate and a second substrate that are arranged in opposition to each other;
a display layer provided between the first substrate and the second substrate; and
a display mode controlling layer having an aperture for each pixel, and provided between the display layer and the second substrate,
wherein the display mode controlling layer includes a first electrode and a second electrode that are arranged in opposition to each other, and at least one of the first electrode and the second electrode comprising a plurality of electrodes that extend unidirectionally.

19. The display unit according to claim 18 , wherein
the first electrode comprises a plurality of first electrodes extending in a first direction and the second electrode comprises a plurality of second electrodes extending in a second direction, and
the first electrodes and the second electrodes have intersection points for the respective pixels.

20. An electronic apparatus provided with a display unit, the display unit comprising:
a pair of a first substrate and a second substrate that are arranged in opposition to each other;
a display layer provided between the first substrate and the second substrate; and
a display mode controlling layer having an aperture for each pixel, and provided between the display layer and the second substrate,
wherein the display mode controlling layer includes a first electrode and a second electrode that are arranged in opposition to each other, and at least one of the first electrode and the second electrode includes a plurality of electrodes that extend unidirectionally.

21. The electronic apparatus according to claim 20 , wherein
the first electrode comprises a plurality of first electrodes extending in a first direction and the second electrode comprises a plurality of second electrodes extending in a second direction, and
the first electrodes and the second electrodes have intersection points for the respective pixels.

22. A display unit, comprising:
a pair of a first substrate and a second substrate that are arranged in opposition to each other;
a display layer provided between the first substrate and the second substrate; and
a display mode controlling layer having an aperture for each pixel, and provided between the display layer and the second substrate,
wherein the display mode controlling layer is configured to adjust transmittance of light that is in a vertical direction to a plane of the display mode controlling layer to control a display mode.

23. The display unit according to claim 22 , wherein the di

Assignees

• Sony Corp
• Joled Inc

Inventors

• Yokozeki Mikihiro
• Kodate Manabu
• Shima Shuichi
• Ito Tsuyoshi
• Kubota Hitoshi
• Nakamura Etsuko

Classifications

• G02F2201/44

  Arrangements combining different electro-active layers, e.g. electrochromic, liquid crystal or electroluminescent layers · CPC title

• G02F1/1506 Primary

  caused by electrodeposition, e.g. electrolytic deposition of an inorganic material on or close to an electrode · CPC title

• G02F1/19

  based on variable-reflection or variable-refraction elements not provided for in groups G02F1/015 - G02F1/169 · CPC title

• H01L27/3232

  Electricity · mapped topic

• H10K59/50

  OLEDs integrated with light modulating elements, e.g. with electrochromic elements, photochromic elements or liquid crystal elements · CPC title