Light uniformizing guide plate and direct type backlight module

• Main Authors: LIU JING, LI FANGQUN, SUN XIONG
• Format: Patent
• Language: Chinese; English
• Published: 02.02.2024
• Subjects: DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL ANALOGUE/DIGITAL CONVERTERS; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICAL LOGIC ELEMENTS; OPTICS; PHYSICS; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF

The embodiment of the invention provides a light uniformizing guide plate and a direct type backlight module, the light uniformizing guide plate is provided with a front side face and a back side face which are oppositely arranged, the front side face is provided with a device mounting hole, a light inlet area and a light outlet area, and the device mounting hole is used for arranging a light emitting structure; the light incident area is arranged around the device mounting hole and is configured to receive circumferential emergent light of the light emitting structure and guide the light into the light uniformizing guide plate; and the light emitting area is formed on one side, far away from the device mounting hole, of the light incident area, and is configured to guide light in the light uniformizing guide plate out of the light uniformizing guide plate. 本申请实施例提供一种匀光导板及直下式背光模组，所述匀光导板具有相对设置的前侧面和背侧面，所述前侧面上设有器件安装孔、入光区和出光区，所述器件安装孔用于设置发光结构；所述入光区围绕所述器件安装孔设置，被配置为接收所述发光结构的周向出光、并将光线导入至所述匀光导板内；所述出光区形成于所述入光区远离所述器件安装孔