Light-emitting device, planar light source and direct type...

Details Light-emitting device, planar light source and direct type... Light-emitting device, planar light source and direct type...

2006-04-03

2008-11-11

Louie, Wai-Sing (Department: 2814)

Active solid-state devices (e.g., transistors, solid-state diode

Encapsulated

With specified encapsulant

C257S013000, C257S088000, C257S102000, C257S089000, C257SE51018, C257SE33001, C257SE25028, C257SE33077

Reexamination Certificate

active

07449789

ABSTRACT:
A light-emitting device (12) includes a base (14) and two red light-emitting chips (22), two green light-emitting chips (24) and a blue light-emitting chip (26) arranged on the base red, green, blue, green, red in a left-to-right order. The red light-emitting chips, the green light-emitting chips and the blue light-emitting chip include a plurality of red-color quantum dots, green-color quantum dots and blue-color quantum dots respectively. A planar light source (10) includes a planar plate (102), and a plurality of the light-emitting devices arranged in an array on the planar plate. A direct type backlight module (20) includes a diffusing sheet (18) and the planar light source facing a surface of the diffusing sheet.

REFERENCES:
patent: 4319259 (1982-03-01), Ohsima et al.
patent: 5583350 (1996-12-01), Norman et al.
patent: 5583351 (1996-12-01), Brown et al.
patent: 6100103 (2000-08-01), Shim et al.
patent: 6600175 (2003-07-01), Baretz et al.
patent: 2003/0020078 (2003-01-01), Klosowiak et al.

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