Light emitting semiconductor device

Details Light emitting semiconductor device Light emitting semiconductor device

H - Electricity

01

L

H01L 27/15 (2006.01) H01L 23/48 (2006.01) H01L 23/52 (2006.01) H01L 31/12 (2006.01) H01L 33/00 (2006.01) H04N 7/10 (2006.01)

Patent

CA 2257156

A semiconductor light emitting diode (50) formed of a body (52) of a semiconductor material having a pair of end surfaces (54, 56), a pair of side surfaces (58, 60), a top surface (62) and an active region (70) extending therethrough between the end surfaces (54, 56). A stripe (76) of a conductive material is on the top surface (62) of the body (52). The stripe (76) is substantially diamond shaped having truncated ends so that the stripe is narrower at its ends than at a portion intermediate its ends. The truncated ends of the stripe (76) are adjacent the end surfaces (54, 56) of the body (52). Preferably, the stripe (76) has a longitudinal axis which is at an angle with respect to the side walls (58, 60) of the body (52).

L'invention concerne une diode électroluminescente (50) à semi-conducteurs constituée d'un corps (52) en matériau semi-conducteur comportant une paire de surfaces terminales (54, 56), une paire de surfaces latérales (58, 60), une surface supérieure (62) et une région active (70) s'étendant entre les surfaces terminales (54, 56). Une bande (76) de matériau conducteur est placée sur la surface supérieure (62) du corps (52) et a pratiquement la forme d'un diamant aux extrémités tronquées de sorte que la bande est plus étroite à ses extrémités que dans sa partie intermédiaire. Les extrémités tronquées de la bande (76) sont adjacentes aux surfaces terminales (54, 56) du corps (52). De préférence, la bande (76) a un axe longitudinal qui forme un angle par rapport aux parois latérales (58, 60) du corps (52).

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