Backlight unit of adaptation visual area

• Main Authors: CAO MEILIAN, WU QIANG, WU PEIWEI
• Format: Patent
• Language: Chinese; English
• Published: 27.11.2018
• 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 utility model discloses a backlight unit of adaptation visual area, include: the light guide plate, a plurality of LED chips on the board of flexible line way are located to flexible line way board, locate the diffusion piece on the light guide plate, with light guide plate, flexible line way board, the wrap -around frame of LED chip to and locate the first shading of stating on the diffusionpiece and glue, the frame top is equipped with the concave part, and first shading glue is attached along the concave part periphery, and appearance or size that first shading was glued are set for according to backlight unit's visual area scope. The utility model discloses establish the backlight unit of concave part to present top, set up the difference of black shading glue in order to adapt toits visual area around the concave part, shape or big I that black shading was glued set up wantonly according to actual conditions, through adjusting one set of mould of backlight unit sharing thatblack shading glue reaches