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US 8,077,374 B2Granted
Display devices using electrochromism and polymer dispersed liquid crystal and methods of driving the same
AssigneeSamsung Electronics Co., Ltd.
InventorsJae-eun Jang, Seung-nam Cha, Jae-eun Jung, Yong-wan Jin
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Abstract
Provided are display devices using electrochromism and PDLC and methods of driving the display devices. A display device may include a plurality of first electrodes and a plurality of second electrodes; a polymer dispersed liquid crystal (PDLC) layer between the first electrodes and the second electrodes; a plurality of third electrodes and a plurality of fourth electrodes; a plurality of electrochromic layers between the third electrodes and the fourth electrodes; and an electrolyte layer between the third electrodes and the fourth electrodes.
Claims26
A display device, comprising:
- a plurality of first electrodes and a plurality of second electrodes;
- a polymer dispersed liquid crystal (PDLC) layer between the first electrodes and the second electrodes;
- a plurality of third electrodes and a plurality of fourth electrodes on and spaced apart from the second electrodes,
- a plurality of electrochromic layers between the third electrodes and the fourth electrodes;
- and
- an electrolyte layer between the third electrodes and the fourth electrodes,
- wherein the first electrodes include a common electrode that is a single body,
- the second electrodes include first pixel electrodes,
- the third electrodes include second pixel electrodes corresponding to the first pixel electrodes, and
- the fourth electrodes include a common electrode that is a single body.
7 more elements
A display device, comprising:
- a plurality of first electrodes and a plurality of second electrodes;
- a polymer dispersed liquid crystal (PDLC) layer between the first electrodes and the second electrodes;
- a plurality of third electrodes and a plurality of fourth electrodes on and spaced apart from the second electrodes,
- a plurality of electrochromic layers between the third electrodes and the fourth electrodes;
- and
- an electrolyte layer between the third electrodes and the fourth electrodes,
- wherein the electrochromic layers include red and cyan electrochromic layers which face each other in a vertical direction,
- green and magenta electrochromic layers which face each other in a vertical direction, and
- blue and yellow electrochromic layers which face each other in a vertical direction.
6 more elements
A display device, comprising:
- a plurality of first electrodes and a plurality of second electrodes;
- a polymer dispersed liquid crystal (PDLC) layer between the first electrodes and the second electrodes;
- a plurality of third electrodes and a plurality of fourth electrodes on and spaced apart from the second electrodes,
- a plurality of electrochromic layers between the third electrodes and the fourth electrodes;
- an electrolyte layer between the third electrodes and the fourth electrodes, and
- a plurality of color filter layers corresponding to the electrochromic layers, the color filter layers between the third electrodes and the fourth electrodes.
3 more elements
A display device comprising:
- a plurality of first electrodes and a plurality of second electrodes;
- a PDLC layer between the first electrodes and the second electrodes, and including black dyes;
- a plurality of third electrodes and a plurality of fourth electrodes, the third electrodes and the fourth electrodes on and spaced apart from the second electrodes;
- a plurality of electrochromic layers between the third electrodes and the fourth electrodes;
- and
- an electrolyte layer between the third electrodes and the fourth electrodes,
- wherein the first electrodes include a common electrode that is a single body,
- the second electrodes include first pixel electrodes corresponding to sub-pixels,
- the third electrodes include second pixel electrodes corresponding to the first pixel electrodes, and
- the fourth electrodes include a common electrode that is a single body.
7 more elements
A display device, comprising:
- a plurality of first electrodes and a plurality of second electrodes;
- a PDLC layer between the first electrodes and the second electrodes, and including black dyes;
- a plurality of third electrodes and a plurality of fourth electrodes, the third electrodes and the fourth electrodes on and spaced apart from the second electrodes;
- a plurality of electrochromic layers between the third electrodes and the fourth electrodes;
- and
- an electrolyte layer between the third electrodes and the fourth electrodes,
- wherein the electrochromic layers include red and cyan electrochromic layers which face each other in a vertical direction,
- green and magenta electrochromic layers which face each other in a vertical direction, and
- blue and yellow electrochromic layers which face each other in a vertical direction.
6 more elements
Dependencies are inferred from the claim text.