| US 7,532,173 B2 | ||
| Display device and folding portable terminal | ||
| Shunpei Yamazaki, Tokyo (Japan); Yasuyuki Arai, Kanagawa (Japan); Yasuko Watanabe, Kanagawa (Japan); Aya Anzai, Kanagawa (Japan); Hiromichi Godo, Kanagawa (Japan); Junichiro Sakata, Kanagawa (Japan); and Kaoru Tsuchiya, Kanagawa (Japan) | ||
| Assigned to Semiconductor Energy Laboratory Co., Ltd., Atsugi-shi, Kanagawa-ken (Japan) | ||
| Filed on Feb. 27, 2004, as Appl. No. 10/788,255. | ||
| Claims priority of application No. 2003-054268 (JP), filed on Feb. 28, 2003; and application No. 2003-367483 (JP), filed on Oct. 28, 2003. | ||
| Prior Publication US 2005/0024339 A1, Feb. 03, 2005 | ||
| Int. Cl. G09G 5/00 (2006.01) | ||
| U.S. Cl. 345—1.1 [345/32; 257/88; 348/52] | 34 Claims |

| 1. A display device comprising:
a plurality of pixels arranged in a matrix form and a first display screen over one surface of a substrate having a translucency;
a second display screen over an opposite surface of the substrate that is opposite to the one surface of the substrate, each
of the plurality of pixels having a light emitting element for emitting light toward the first display screen and the second
display screen, wherein the light emitting element comprises a first electrode and a second electrode both having a translucency,
and a light-emitting layer interposed therebetween; and
a first polarizer over the one surface of the substrate and a second polarizer over the opposite surface of the one surface
of the substrate.
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