Patent ID: 9588275
Date: 2017-03-07
CPC Classifications: G02B,G02F

Claim:
1. A backlight module, comprising: a light guide plate; a middle frame; a quantum strip; and a light source, disposed approximate to a light input surface of the light guide plate; wherein the middle frame comprises a supporting portion and a containing portion connecting to the supporting portion, the supporting portion is disposed on a light output surface of the light guide plate, and the containing portion is disposed between the light source and the light input surface, wherein the containing portion comprises a containing space, the quantum strip is disposed in the containing space, a light transmitting hole is disposed on a first sidewall and a second sidewall of the containing portion for transmitting light from the light source via the quantum strip to radiate the light input surface of the light guide plate; wherein a bottom of the containing portion of the middle frame is open, and the bottom portion of the first sidewall and the second sidewall comprises a protrusion mesa extending inwardly for supporting the quantum strip; wherein the second sidewall has an opening between a part of the second sidewall and another part of the second sidewall, a fixing portion is fixed between the part of the second sidewall and another part of the second sidewall, and a buffer portion is disposed between the protrusion mesa and the fixing portion; the part of the second sidewall and the another part of the second sidewall composing an area only below the light transmitting hole.