Light emitting device and a light source module including the same
AssigneeSamsung Electronics Co., Ltd.
InventorsGeun-woo Ko, Seung-woo Lee, Jun-ho Lee, Pun-jae Choi
Life of this patent
Estimating the term…
Abstract
A light source module including: a printed circuit board; a light emitting device mounted on the printed circuit board and including a plurality of subarrays each of the plurality of subarrays including a plurality of light emitting cells; and a plurality of driving chips mounted on the printed circuit board, wherein each of the plurality of driving chips respectively drives a corresponding one of the plurality of subarrays, wherein the plurality of subarrays are electrically isolated from each other.
Claims18
A light source module, comprising:
- a printed circuit board;
- a light emitting device mounted on the printed circuit board and comprising a plurality of subarrays each of the plurality of subarrays comprising a plurality of light emitting cells;
- and
- a plurality of driving chips mounted on the printed circuit board, wherein each of the plurality of driving chips respectively drives a corresponding one of the plurality of subarrays,
- wherein the plurality of subarrays are electrically isolated from each other,
- wherein the light emitting device is arranged in a central region of the printed circuit board, and
- wherein the plurality of driving chips are arranged in a peripheral region of the printed circuit board at sides of the central region.
A light emitting device, comprising:
- a plurality of subarrays each comprising a plurality of light emitting cells;
- and
- a plurality of pads for providing an electrical connection between an external device and the plurality of subarrays,
- wherein the plurality of subarrays are electrically isolated from each other,
- wherein the plurality of subarrays are arranged in a central region of the light emitting device, and
- the plurality of pads are arranged in a peripheral region of the light emitting device at sides of the central region.
A light source module, comprising:
- a printed circuit board;
- a light emitting device mounted on the printed circuit board and comprising a first subarray and a second subarray, wherein the first subarray and the second subarray each comprise a plurality of light emitting cells;
- a first driving chip mounted on the printed circuit board to drive the first subarray;
- and
- a second driving chip mounted on the printed circuit board to drive the second subarray,
- wherein the first subway and the second subarray are electrically isolated from each other,
- the first subarray and the second subarray are arranged sequentially in a first direction parallel to a first surface of the printed circuit board,
- the first driving chip and the second driving chip are arranged sequentially in the first direction, and
- the light emitting device further comprises a plurality of first pads that include a first pad row and a second pad row arranged in a second direction that is perpendicular to the first direction.
Dependencies are inferred from the claim text.