Title:
DIFFUSION PLATE AND LIQUID CRYSTAL DISPLAY ELEMENT EMPLOYING THE SAME
Document Type and Number:
WIPO Patent Application WO/1998/004936
Kind Code:
A1
Abstract:
A diffusion plate, a lighting device and a liquid crystal display element by which light from a light source can be utilized efficiently and a beautiful image can be obtained. A diffusion plate by which incident light is diffused and which contains powder having interference light whose wavelength range is approximately the same as the absorption wavelength range, a diffusion plate which contains at least two types of powder whose interference colors are complementary to each other and a liquid crystal display element employing such diffusion plates.
Inventors:
MIYAMOTO TSUYOSHI (JP)
KIMURA ASA (JP)
KIMURA ASA (JP)
Application Number:
PCT/JP1997/002582
Publication Date:
February 05, 1998
Filing Date:
July 25, 1997
Export Citation:
Assignee:
SHISEIDO CO LTD (JP)
MIYAMOTO TSUYOSHI (JP)
KIMURA ASA (JP)
MIYAMOTO TSUYOSHI (JP)
KIMURA ASA (JP)
International Classes:
G02B5/02; G02B5/28; G02F1/1335; G02F1/13357; (IPC1-7): G02B5/02; G02F1/1335
Foreign References:
| JPS5788401A | 1982-06-02 | |||
| JPS5584975A | 1980-06-26 | |||
| JPS60250304A | 1985-12-11 | |||
| JPS60250382A | 1985-12-11 | |||
| JPS60247621A | 1985-12-07 | |||
| JPH07326224A | 1995-12-12 | |||
| JPH08179125A | 1996-07-12 |
Other References:
See also references of EP 0856750A4
Attorney, Agent or Firm:
Iwahashi, Yuji (Higashikanagawa Kanagawa-k, Yokohama-shi Kanagawa 221, JP)
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