Title:
LIGHT EMITTING ELEMENT
Document Type and Number:
WIPO Patent Application WO/2002/099900
Kind Code:
A1
Abstract:
A light emitting element (100) comprising an element body (60) having a luminous layer portion (24) consisting of a compound semiconductor layer, and an electrode (10) provided on the surface of the element body (60), for applying a light emitting drive voltage to the luminous layer portion (24). In the electrode, a current allowing layer portion (8) for allowing a flowing current to preferentially flow to the element body (60) by the application of a light emitting drive voltage, and a current restricting layer portion (7) for making the density of a current flowing to the element body (60) smaller than that of the current allowing layer portion (8) are formed at portions including contact surfaces with the element body (60).
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Inventors:
IKEDA SHUNICHI (JP)
YAMADA MASATO (JP)
YAMADA MASATO (JP)
Application Number:
PCT/JP2002/005143
Publication Date:
December 12, 2002
Filing Date:
May 28, 2002
Export Citation:
Assignee:
SHINETSU HANDOTAI KK (JP)
IKEDA SHUNICHI (JP)
YAMADA MASATO (JP)
IKEDA SHUNICHI (JP)
YAMADA MASATO (JP)
International Classes:
H01L21/28; H01L33/38; H01L33/40; (IPC1-7): H01L33/00; H01L29/43
Foreign References:
| JPH08148716A | 1996-06-07 | |||
| JP2001111103A | 2001-04-20 | |||
| JPS5834984A | 1983-03-01 | |||
| JPH08186287A | 1996-07-16 | |||
| US5153889A | 1992-10-06 | |||
| US5309001A | 1994-05-03 | |||
| JPH08335717A | 1996-12-17 |
Attorney, Agent or Firm:
Sugawara, Seirin (Sakae 2-chome Naka-ku Nagoya-shi, Aichi, JP)
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