DEVICE AND METHOD FOR AN LED WITH A CONVEX COVER

• US 20140091341A1
• Filed: 03/18/2013
• Published: 04/03/2014
• Est. Priority Date: 09/29/2012
• Status: Abandoned Application

• Current Assignee: Chieh Ou Yang, Jiangsu Sun & Moon Lighting Company Limited, Wei Ou Yang
• Original Assignee: Jiangsu Sun & Moon Lighting Company Limited
• Inventors: OU YANG, CHIEH, OU YANG, WEI
• Application Number:
  US13/846,689
• Publication Number:
  US 20140091341A1
• Time in Patent Office: Days
• US Class Current: 257/89
• CPC Class Codes: F21K 9/00 Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
• CPC Class Codes: F21Y 2105/10 comprising a two-dimensional array of point-like light-generating elements
• CPC Class Codes: F21Y 2105/12 characterised by the geometrical disposition of the light-generating elements, e.g. arranging light-generating elements in differing patterns or densities
• CPC Class Codes: F21Y 2115/10 Light-emitting diodes [LED]
• CPC Class Codes: H01L 25/0753 the devices being arranged next to each other
• CPC Class Codes: H01L 2924/00 Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
• CPC Class Codes: H01L 2924/0002 Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
• CPC Class Codes: H01L 33/08 with a plurality of light emitting regions, e.g. laterally discontinuous light emitting layer or photoluminescent region integrated within the semiconductor body H01L27/15 takes precedence
• CPC Class Codes: H05K 1/0296 Conductive pattern lay-out details not covered by sub groups H05K1/02 - H05K1/0295 H05K1/11 takes precedence; lay-out adapted to mounted component configuration H05K1/18
• CPC Class Codes: H05K 2201/09227 Layout details of a plurality of traces, e.g. escape layout for Ball Grid Array [BGA] mounting
• CPC Class Codes: H05K 2201/10106 Light emitting diode [LED]

Abstract

An approach is provided for a device and a method for an LED with a convex cover, which comprises multiple LED diodes compartmentalized to at least one group. Each group of LED diodes forms an electrical loop on a PCB, and has at least one first LED diode on a center region and at least two second LED diodes on a periphery region. Each second LED diode is connected to the first LED diode in series, and connected to the other second LED diode in parallel. The power of the first LED diode is higher than the second LED diode.

Claims

1. A device for an LED with a convex cover, comprising:

multiple LED diodes being compartmentalized to at least one group, each group of LED diodes forms an electrical loop on a PCB, and comprising

at least one first LED diode being located on a center region; and

at least two second LED diodes being on a periphery region, each second LED diode being connected to the first LED diode in series, and being connected to the other second LED diode in parallel, wherein the power of the first LED diode is higher than the second LED diode.

2. The device as claimed in claim 1, further comprising multiple third LED diodes located in the periphery region, and the every two third LED diodes being corresponded and connected to the second LED diode, wherein the power of the third LED diode is smaller than the power of the second LED diode.

3. The device as claimed in claim 2, wherein the second LED diode or the third LED diode comprises a red LED diode.

4. The device as claimed in claim 1, wherein the each group of the LED diodes is distributed in a circular sector.

5. The device as claimed in claim 1, wherein the multiple LED diodes comprise a red LED diode, a green LED diode and a blue LED diode that implements a color mixing control.

6. The device as claimed in claim 1, wherein the connections of the multiple LED diodes in each group are in series, parallel or serie-parallel.

7. A method for an LED with a convex cover, comprising:

compartmentalizing multiple LED diodes to at least one first LED diodes and at least two second LED diode based on the output of the power sequentially;

grouping at least one first LED diode and at least two second diodes into a group; and

locating at least one first LED diode in a center region and at least two second diodes in a periphery region for each group, wherein at least two second LED diodes are connected in parallel and connect to the first LED diode in series.

8. The method as claimed in claim 7, further comprising:

compartmentalizing multiple LED diodes to multiple third LED diodes, wherein the power of the third LED diode is smaller than the second LED diode, and at least every two third LED diodes are corresponded and connected to a second LED diodes.

9. The method as claimed in claim 7, wherein the multiple LED diodes comprise a red LED diode, a green LED diode and a blue LED diode that implements a color mixing control.

10. The method as claimed in claim 7, wherein the connections of the multiple LED diodes in each group are in series, parallel or serie-parallel.