CN-224232067-U - Ultra-narrow frame vehicle-mounted touch liquid crystal display module

CN224232067UCN 224232067 UCN224232067 UCN 224232067UCN-224232067-U

Abstract

The utility model aims to provide an ultra-narrow frame vehicle-mounted touch liquid crystal display module which comprises an alloy backboard, a metal middle frame, a backlight module and a display assembly, wherein a plurality of fastening holes are formed in the side wall of the alloy backboard at intervals, a plurality of fastening convex parts are formed in the side wall of the metal middle frame at intervals, the metal middle frame is fastened in the alloy backboard, so that the fastening convex parts are fastened with the fastening holes in a one-to-one correspondence manner, a hollow hole is formed in the middle of the metal middle frame, the backlight module is arranged on the inner bottom wall of the alloy backboard, the backlight module is abutted with the metal middle frame, the backlight module is aligned with the hollow hole, the display assembly is arranged on the metal middle frame, and the display assembly covers the hollow hole. Therefore, the metal middle frame and the alloy backboard are combined to replace a middle frame structure made of plastic materials in the prior art, so that the whole black edge width of the display module can be reduced, and an injection mold with a complex structure does not need to be developed, so that the production cost of the injection mold can be reduced.

Inventors

HAN XIAOHONG
ZHANG YUANHAO
LIU WENQING
LIU ZHONGWU
CHEN SHAOGUO

Assignees

惠州市康冠汽车电子有限公司

Dates

Publication Date: 20260512
Application Date: 20250530

Claims (9)

1. An ultra-narrow frame vehicle-mounted touch liquid crystal display module, which is characterized by comprising: The alloy backboard is provided with a plurality of buckling holes which are distributed at intervals on the side wall; The metal middle frame is provided with a plurality of clamping convex parts which are distributed at intervals on the side wall of the metal middle frame, the metal middle frame is buckled in the alloy backboard, so that the clamping convex parts are buckled with the buckling holes in a one-to-one correspondence manner, and the middle part of the metal middle frame is provided with a hollow hole; A backlight module arranged on the inner bottom wall of the alloy backboard, abutted with the metal middle frame and aligned with the hollow hole, and The display component is arranged on the metal middle frame and covers the hollow hole.
2. The ultra-narrow frame vehicle-mounted touch liquid crystal display module according to claim 1, wherein the alloy backboard comprises an integrally formed bottom plate portion and a plurality of side plate portions, each side plate portion is respectively arranged around the bottom plate portion, so that each side plate portion and the bottom plate portion jointly enclose a groove, the metal middle frame, the backlight module and the display assembly are all located in the groove, and each buckling hole is located on each side plate portion.
3. The ultra-narrow frame vehicle-mounted touch liquid crystal display module of claim 2, wherein the metal middle frame comprises an integrally formed bottom frame portion and a plurality of side frame portions, each side frame portion is respectively arranged around the bottom frame portion, the hollow holes are formed in the bottom frame portion, and each clamping protrusion is formed in the side frame portion.
4. The ultra-narrow frame vehicle-mounted touch liquid crystal display module according to claim 3, wherein the display assembly comprises a double-sided tape and a display screen, the double-sided tape is arranged on the bottom frame portion around the hollow hole, and the display screen is arranged on the double-sided tape, so that the display screen covers the hollow hole.
5. The ultra-narrow frame vehicle-mounted touch liquid crystal display module according to claim 4, wherein the backlight module comprises a light bar, and a reflecting sheet, a light guide plate, a diffusion film, a lower brightening sheet and an upper brightening sheet which are sequentially overlapped from bottom to top, wherein the reflecting sheet is arranged on the bottom plate part, the upper brightening sheet is abutted with the bottom frame part, the light bar is arranged on one of the side plate parts, and the light bar is arranged towards the light guide plate.
6. The ultra-narrow frame vehicle-mounted touch liquid crystal display module according to claim 5, wherein the display assembly further comprises a logic board and a flexible circuit board, the logic board is arranged on the outer side wall of the bottom plate portion, the flexible circuit board is electrically connected with the logic board and the display screen respectively, and the light bar is electrically connected with the logic board.
7. The ultra-narrow frame vehicle-mounted touch liquid crystal display module of claim 6, further comprising a light shielding sleeve, wherein the light shielding sleeve is wrapped on the peripheral edge of the alloy backboard, the light shielding sleeve is further attached to the outer side wall of the bottom plate portion to shield the logic board and the flexible circuit board, and the light shielding sleeve is further attached to a part of the structure of the display screen.
8. The ultra-narrow frame vehicle-mounted touch liquid crystal display module set according to claim 6, wherein a space-avoiding groove is formed in one side plate portion, a bending block is arranged on the side frame portion, which is close to the space-avoiding groove, and the bending block bends outwards to cover the space-avoiding groove, and the flexible circuit board is attached to the surface of the bending block.
9. The ultra-narrow frame vehicle-mounted touch liquid crystal display module of claim 8, wherein at least one clamping hole is formed in the bending block, at least one clamping table is arranged at the position, aligned with the bending block, of the side plate part, and each clamping table is in one-to-one correspondence with each clamping hole.

Description

Ultra-narrow frame vehicle-mounted touch liquid crystal display module Technical Field The utility model relates to the technical field of display components, in particular to an ultra-narrow frame vehicle-mounted touch liquid crystal display module. Background With the continuous development of new energy automobiles, the automobiles are developed towards intellectualization and multifunction. And the vehicle-mounted screen is used as a carrier for intelligent interaction between a driver and an automobile, and the advantages of a large screen, a narrow frame and the like are easier to obtain consumer favor. At present, the vehicle-mounted screen on the new energy automobile is almost all touch liquid crystal display components (TLCM, touch Liquid Crystal Module), and the existing vehicle-mounted TLCM structure is mainly a structure formed by combining a metal backboard and a plastic middle frame. However, since the plastic material of the plastic middle frame itself has low strength, it means that the thickness of the plastic middle frame cannot be designed to be too thin, and the thickness of the plastic middle frame is increased, which results in too large black edges of the finally assembled vehicle-mounted TLCM and seriously affects the overall appearance of the display screen, and the thickness of the plastic middle frame is increased, the complexity of the structure of the plastic middle frame is also increased, which results in increased structural complexity of an injection mold for molding the plastic middle frame and increased cost. Therefore, the application provides the ultra-narrow frame vehicle-mounted touch liquid crystal display module based on the purposes of reducing the production cost and improving the display effect. Disclosure of utility model The utility model aims to overcome the defects in the prior art and provide the ultra-narrow frame vehicle-mounted touch liquid crystal display module which replaces the existing plastic middle frame structure so as to reduce the production cost and improve the display effect. The aim of the utility model is realized by the following technical scheme: an ultra-narrow frame vehicle-mounted touch liquid crystal display module, comprising: The alloy backboard is provided with a plurality of buckling holes which are distributed at intervals on the side wall; The metal middle frame is provided with a plurality of clamping convex parts which are distributed at intervals on the side wall of the metal middle frame, the metal middle frame is buckled in the alloy backboard, so that the clamping convex parts are buckled with the buckling holes in a one-to-one correspondence manner, and the middle part of the metal middle frame is provided with a hollow hole; A backlight module arranged on the inner bottom wall of the alloy backboard, abutted with the metal middle frame and aligned with the hollow hole, and The display component is arranged on the metal middle frame and covers the hollow hole. Optionally, the alloy backboard includes an integrally formed bottom plate portion and a plurality of side plate portions, each of the side plate portions is disposed around the bottom plate portion, so that each of the side plate portions and the bottom plate portion enclose a groove together, the metal middle frame, the backlight module and the display assembly are all located in the groove, and each of the fastening holes is located on the side plate portion. Optionally, the metal middle frame includes an integrally formed bottom frame portion and a plurality of side frame portions, each side frame portion is respectively disposed around the bottom frame portion, the hollow hole is located on the bottom frame portion, and each protruding clamping portion is located on the side frame portion. Optionally, the display assembly includes a double-sided tape and a display screen, the double-sided tape surrounds the periphery of the hollow hole and is arranged on the bottom frame portion, and the display screen is arranged on the double-sided tape, so that the display screen covers the hollow hole. Optionally, the backlight module includes the light bar and from down up superimposed reflector plate, light guide plate, diffusion barrier, lower brightness enhancement piece, last brightness enhancement piece in proper order, the reflector plate set up in on the bottom plate portion, go up brightness enhancement piece with bottom frame portion looks butt, the light bar sets up in one of them on the curb plate portion, just the light bar orientation the light guide plate sets up. Optionally, the display assembly further includes a logic board and a flexible circuit board, the logic board is disposed on an outer sidewall of the bottom plate portion, the flexible circuit board is electrically connected with the logic board and the display screen respectively, and the light bar is electrically connected with the logic board. Optionally, the on-vehicle touch liquid crystal displa