US 10,890,705 B2
Display apparatus and method of manufacturing the same
Hyungjin Kim, Seoul (KR); and Hanmoe Cha, Seoul (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Filed by Samsung Display Co., Ltd., Yongin-si (KR)
Filed on Dec. 28, 2017, as Appl. No. 15/857,508.
Application 15/857,508 is a continuation of application No. 14/878,844, filed on Oct. 8, 2015, granted, now 9,885,820.
Claims priority of application No. 10-2014-0177632 (KR), filed on Dec. 10, 2014.
Prior Publication US 2018/0143369 A1, May 24, 2018
This patent is subject to a terminal disclaimer.
Int. Cl. F21V 8/00 (2006.01); G02F 1/13357 (2006.01); G02F 1/1335 (2006.01); G02F 1/1333 (2006.01); G02F 1/017 (2006.01)
CPC G02B 6/0035 (2013.01) [G02B 6/004 (2013.01); G02B 6/0065 (2013.01); G02F 1/1333 (2013.01); G02F 1/133524 (2013.01); G02F 1/133609 (2013.01); G02F 1/133611 (2013.01); G02F 1/133615 (2013.01); G02F 1/133617 (2013.01); G02F 2001/01791 (2013.01); G02F 2001/133614 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A display apparatus comprising: a display panel; a light guide plate; a wavelength conversion portion disposed on an upper surface of the light guide plate; wherein the light guide plate comprises: a light guide portion guiding a light to the display panel and disposed under the display panel, a side cover portion disposed on the upper surface of the light guide portion, extending along an edge of the upper surface of the light guide portion, and covering all lateral side surfaces of the wavelength conversion portion; and an upper cover portion disposed on the wavelength conversion portion and covering the wavelength conversion portion, wherein: a side surface of the side cover portion and a side surface of the light guide portion are connected to each other; the upper cover portion is extended to directly contact an entire upper surface of the side cover portion so as to directly couple the upper cover portion to the side cover portion; the wavelength conversion portion is fully sealed to prevent penetration of external moisture and air by the upper surface of the light guide portion, the side cover portion, and the upper cover portion; and a maximum thickness of the upper cover portion is less than a maximum thickness of the light guide portion; and wherein the light guide portion and the side cover portion are integrally formed of a transparent material.