High-directivity backlight module and display

• Main Authors: SU GUODONG, CHEN PO-JUI, ZHANG JIERUI, WU CHUNGIH, DONG RENLANG, JUNG SEONG-MOON, HE WANHUA, LIAO RENWEI
• Format: Patent
• Language: Chinese; English
• Published: 23.02.2024
• 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 invention discloses a high-directivity backlight module and a display. The high-directivity backlight module comprises a plurality of light sources, a shade and a plurality of cylindrical lenses. The plurality of light sources are arranged along a first direction. The shade is arranged on the light emitting sides of the light sources and provided with a plurality of slits which are arranged in the first direction and correspond to the light sources respectively, the side, facing the light sources, of the shade is provided with a reflecting face, and light emitted by the light sources penetrates through the shade through the slits. The plurality of cylindrical lenses are arranged on one side of the shade opposite to the plurality of light sources and are arranged along the first direction to respectively cover the plurality of slits, wherein the plurality of slits are in one-to-one correspondence with the plurality of cylindrical lenses. 公开一种高指向性背光模块及显示器，高指向性背光模块包含多个光源、遮罩及多个柱状透镜。多个光源沿着第一方向排列。遮罩设置于多个光源的出光侧，