US 12,153,246 B2
Light emitting device
Yu-Chun Chiu, Miaoli County (TW); and Chia-Hao Kuo, Miaoli County (TW)
Assigned to Innolux Corporation, Miaoli County (TW)
Filed by Innolux Corporation, Miaoli County (TW)
Filed on Nov. 20, 2023, as Appl. No. 18/513,652.
Application 18/513,652 is a continuation of application No. 18/299,066, filed on Apr. 12, 2023, granted, now 11,867,940.
Application 18/299,066 is a continuation of application No. 17/844,751, filed on Jun. 21, 2022, granted, now 11,656,400, issued on May 23, 2023.
Claims priority of application No. 202110858430.7 (CN), filed on Jul. 28, 2021.
Prior Publication US 2024/0085615 A1, Mar. 14, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. F21V 8/00 (2006.01)
CPC G02B 6/0066 (2013.01) [G02B 6/0055 (2013.01); G02B 6/0088 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A light emitting device, comprising:
a backing plate;
a plurality of light emitting units disposed on the backing plate; and
a layer disposed on the backing plate and having a first optical pattern and a second optical pattern;
wherein, in a top view of the light emitting device, the layer has a first edge and a second edge opposite to the first edge, the first edge is closer to the first optical pattern and the second optical pattern than the second edge, the first optical pattern is closer to the first edge than the second optical pattern, and the first optical pattern is greater than the second optical pattern in size.