Invention Grant
US09222644B2 Optical assembly, backlight unit having the same, and display apparatus thereof
有权
光学组件，具有该组件的背光单元及其显示装置
- Patent Title: Optical assembly, backlight unit having the same, and display apparatus thereof
- Patent Title (中): 光学组件，具有该组件的背光单元及其显示装置
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Application No.: US14603516Application Date: 2015-01-23
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Publication No.: US09222644B2Publication Date: 2015-12-29
- Inventor: Kyungjoon Lee , Woongjoon Hwang , Juyoung Joung
- Applicant: LG ELECTRONICS INC.
- Applicant Address: KR Seoul
- Assignee: LG Electronics Inc.
- Current Assignee: LG Electronics Inc.
- Current Assignee Address: KR Seoul
- Agency: Ked & Associates, LLP
- Priority: KR10-2011-0128049 20111202
- Main IPC: G09F13/04
- IPC: G09F13/04 ; G09F13/08 ; F21V5/04 ; G02B19/00
Abstract:
The present invention provides an optical assembly, a backlight unit having the same, and a display apparatus thereof, and the optical assembly includes: a light emitting device; and a lens disposed above the light emitting device, and the lens has: a lower surface portion through which light emitted from the light emitting device travels inside; an upper surface portion that totally reflects at least some of the light traveling inside through the lower surface portion, downward to the side; and a side portion through which the light totally reflected from the upper surface portion is discharged to the outside.
Public/Granted literature
- US20150300594A1 OPTICAL ASSEMBLY, BACKLIGHT UNIT HAVING THE SAME, AND DISPLAY APPARATUS THEREOF Public/Granted day:2015-10-22
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