| 摘要 |
A light source unit for use in a backlight module includes a circuit substrate board and a plurality of chip assemblies arranged along a first direction of the circuit substrate board. Each of the chip assemblies includes a red LED chip, a blue LED chip, and a green LED chip. By employing a chip on board (COB) concept, and by providing LED chips of three primary colors directly on the circuit substrate board, chip spacing can be considerably reduced to effectively shorten the light mixing distance so as to permit miniaturization of the backlight module incorporating the light source unit.
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