High-resolution miniature LED backlight liquid crystal display module

Abstract

The utility model relates to the technical field of display modules, in particular to a high-resolution miniature light-emitting diode (LED) backlight liquid crystal display module. The backlight module comprises a polarizer plate, a liquid crystal display plate and a backlight plate for module matching assembly, a light blocking assembly is arranged on the outer wall of the polarizer plate to perform light leakage protection on the edge of the module, the light blocking assembly comprises a light blocking plate and an inner plate, a gap is reserved between the end of the inner plate and the inner wall of the light blocking plate, and the end of the inner plate is not in direct contact with the inner wall of the light blocking plate. The size of the inner plate is matched with that of the inner wall cavity of the light barrier. The electric telescopic rod drives the inner plate to slide on the inner wall of the light barrier, the light blocking range is adjusted, four-side light prevention is conducted on the liquid crystal module, the elastic columns drive the module to deviate in the range of the annular groove when the module is stressed, the module is driven to reset after pressure is lost, and when the modules are displaced due to uneven mechanical pressure in the assembling process, the elastic columns drive the module to rotate. And brittle failure of connecting pieces between the modules is avoided, and the practicability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to display module technical field, specifically, relate to a high resolution micro LED backlight liquid crystal display module. BACKGROUND

[0002] High resolution micro LED backlight liquid crystal display module is an advanced display technology, it combines micro LED as backlight and liquid crystal display panel to provide higher brightness, contrast and color performance. This display module maintains the original advantages of liquid crystal display (LCD) while significantly improving display performance through micro LED backlight technology, especially in high dynamic range (HDR) display, micro LED backlight module can realize deeper black and higher contrast through local dimming technology, which improves the shortcomings of traditional LCD in dark state display.

[0003] There are many existing technologies for liquid crystal display module devices, for example:

[0004] Chinese patent application number CN201911185142.9 discloses a liquid crystal display module, which comprises a display panel and a backlight module, the display panel comprises a first substrate and a second substrate arranged oppositely, a liquid crystal layer, a first polarizing plate and a plurality of fingerprint identification units, the first substrate comprises a light filtering part and a light shielding part, the first polarizing plate comprises a first area and a second area, the first area corresponds to the light filtering part, and the second area corresponds to the light shielding part, the polarization direction of the first area is perpendicular to the polarization direction of the second area; the reflected light formed by the light emitted by the backlight module after passing through the light filtering part is at least partially recognized and received by the fingerprint identification unit, and the display can realize fingerprint identification at the same time, the first polarizing plate is a patterned polarizing plate, so that the light with fingerprint identification is separated from other interference light; and a polarization detection unit is arranged on the fingerprint identification unit, so that the interference light can be absorbed by the polarization detection unit, thereby avoiding the occurrence of crosstalk.

[0005] However, in the use of the existing technology, the size of the polarizing plate or other light shielding material of the high resolution micro LED backlight liquid crystal display module is insufficient or deviates from the position, the design of the light guide plate is unreasonable or the manufacturing quality is poor, the backlight source cannot be completely covered, the light cannot be effectively diffused, the light guide plate and the backlight source may be displaced due to improper operation or uneven mechanical pressure during assembly, which affects the normal propagation path of the light, and the practicability is low. In view of this, we propose a high resolution micro LED backlight liquid crystal display module. UTILITY MODEL CONTENTS

[0006] The utility model aims at solving the above-mentioned defects, and provides a high resolution micro LED backlight liquid crystal display module.

[0007] To achieve the above object, the utility model provides a high resolution miniature LED backlight liquid crystal display module, including polarizing plate block and liquid crystal display block, backlight plate block carries out module cooperation assembly, the outer wall of polarizing plate block is equipped with light blocking component and carries out light leakage protection to module edge, the light blocking component includes baffle and inner plate, the clearance is left between the end of inner plate and the inner wall of baffle, the end of inner plate and the inner wall of baffle do not directly contact, the size of inner plate and the cavity size of the inner wall of baffle are matched.

[0008] As a further improvement of the technical scheme, the outer wall of the polarizing plate block is fixedly connected with a light blocking plate, the inner wall of the light blocking plate is fixedly connected with an electric telescopic rod, the end of the electric telescopic rod is fixedly connected with an inner plate, and the outer wall of the inner plate is slidably matched with the inner wall of the light blocking plate.

[0009] As a further improvement of the technical scheme, the end of the inner plate is fixedly connected with a cavity block, the outer wall of the backlight plate block is fixedly connected with a fixed plate, the inner wall of the fixed plate is provided with an opening, the outer wall of the cavity block is slidably matched with the opening size of the outer wall of the fixed plate, the inner wall of the cavity block is symmetrically and slidably connected with inclined pressing blocks, the end of the inclined pressing blocks is fixedly connected with springs, and the end of the springs is fixedly connected with the end of another inclined pressing block.

[0010] As a further improvement of the technical scheme, the outer wall of the fixed plate is symmetrically provided with sliding grooves on the two sides of the cavity block, the outer wall of the fixed plate is slidably connected with push blocks in the sliding grooves, the outer wall of the push blocks is uniformly provided with a plurality of protrusions, the end of the push blocks is in contact with the outer wall of the inclined pressing blocks, and the inclined pressing blocks are slidably matched with the internal size of the cavity block.

[0011] As a further improvement of the technical scheme, the outer wall of the fixed plate is fixedly connected with a ring column, the outer wall of the light blocking plate is fixedly connected with an elastic column, the outer wall of the light blocking plate is fixedly connected with a cylindrical column, the cylindrical column is sleeved on the outer wall of the elastic column and is not in contact with the elastic column, the end of the elastic column is attached to the outer wall of the fixed plate, the end of the elastic column is insertedly matched with the inner wall of the ring column, the inner wall of the ring column is provided with a ring groove, the cylindrical column is sleeved in the ring groove and is not in direct contact with the ring groove.

[0012] Compared with the prior art, the utility model has the advantages of:

[0013] In the high resolution miniature LED backlight liquid crystal display module, the inner plate is slidably driven by the electric telescopic rod in the inner wall of the light blocking plate, the light blocking range is adjusted, the liquid crystal module is protected from light on four sides, the elastic column drives the module to deviate in the ring groove range when the module is subjected to pressure, and the module is reset after losing the pressure. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the whole structure schematic view of the utility model;

[0015] Figure 2 It is the inner plate structure schematic view of the utility model;

[0016] Figure 3 It is the structure schematic view of the utility model at A place; Figure 2 It is the structure schematic view of the utility model at B place.

[0017] Figure 4 It is the light shielding plate structure schematic view of the utility model;

[0018] Figure 5 It is the structure schematic view of the utility model at A place; Figure 4 It is the structure schematic view of the utility model at B place.

[0019] The meaning of each mark in the figure is: 1, polarizing plate block; 11, liquid crystal display block; 12, backlight plate block; 121, fixed plate; 122, push block; 123, ring column; 1231, ring groove; 2, light shielding assembly; 21, light shielding plate; 22, electric telescopic rod; 23, inner plate; 231, cavity block; 232, inclined pressing block; 233, spring; 24, elastic column; 25, cylinder. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] The high-resolution micro-LED backlight liquid crystal display module is an advanced display technology, which combines micro-LED as a backlight source and a liquid crystal display panel to provide higher brightness, contrast and color performance. This display module maintains the original advantages of liquid crystal display (LCD) while significantly improving display performance through micro-LED backlight technology, especially in high dynamic range (HDR) display. The micro-LED backlight module can achieve deeper black and higher contrast through local dimming technology, improving the shortcomings of traditional LCD in dark state display;

[0022] Therefore, please refer to Figures 1-5As shown, the embodiment provides a high-resolution micro-LED backlight liquid crystal display module, which comprises a polarizing plate block 1 and a liquid crystal display block 11, a backlight block 12, a light shielding assembly 2 is arranged on the outer wall of the polarizing plate block 1 to prevent light leakage from the edges of the module, the light shielding assembly 2 comprises a light shielding plate 21 and an inner plate 23, and the size of the polarizing plate or other light shielding material of the high-resolution micro-LED backlight liquid crystal display module is insufficient or deviates from the position, the light guide plate is designed unreasonably or the manufacturing quality is poor, and the light guide plate cannot completely cover the backlight source, so that the light cannot be effectively diffused, the light directly leaks from the edge, and during assembly, improper operation or uneven mechanical pressure may cause displacement between the light guide plate and the backlight source, affecting the normal propagation path of the light, and the practicability is low. Therefore, the specific implementation is as follows: a gap is left between the end of the inner plate 23 and the inner wall of the light shielding plate 21, the end of the inner plate 23 is not in direct contact with the inner wall of the light shielding plate 21, the size of the inner plate 23 is matched with the size of the cavity of the inner wall of the light shielding plate 21, the outer wall of the polarizing plate block 1 is fixedly connected with the light shielding plate 21, the inner wall of the light shielding plate 21 is fixedly connected with the electric telescopic rod 22, the end of the electric telescopic rod 22 is fixedly connected with the inner plate 23, the outer wall of the inner plate 23 is slidably matched with the inner wall of the light shielding plate 21, and the polarizing plate block 1 is assembled with the liquid crystal display block 11 and the backlight block 12. After the module is assembled, the electric telescopic rod 22 on the inner wall of the light shielding plate 21 is opened, the electric telescopic rod 22 drives the inner plate 23 to slide in the inner wall of the light shielding plate 21, the electric telescopic rod 22 drives the end of the inner plate 23 to slide to tightly adhere to the outer wall of the fixed plate 121, the light shielding plate 21 and the inner plate 23 prevent light leakage around the liquid crystal module, and the practicability is improved.

[0023] The high-resolution micro-LED backlight liquid crystal display module is an advanced display technology that uses micro-LEDs as backlight sources combined with liquid crystal panels to provide excellent brightness, contrast, and color performance. This display module realizes high dynamic range (HDR) display effects through the fine area dimming capability of micro-LEDs, suitable for various high-end display applications. The micro-LED backlight module supports thousands of independent control areas, and the brightness of each area can be adjusted individually to achieve unparalleled contrast and black depth. This is common knowledge in the technical field and will not be described here.

[0024] The end of the inner plate 23 is fixedly connected with a cavity block 231, the outer wall of the backlight plate 12 is fixedly connected with a fixed plate 121, the inner wall of the fixed plate 121 is provided with an opening, the outer wall of the cavity block 231 and the opening of the outer wall of the fixed plate 121 are slidingly matched in size, the inner wall of the cavity block 231 is symmetrically and slidingly connected with an inclined pressing block 232, the end of the inclined pressing block 232 is fixedly connected with a spring 233, the end of the spring 233 is fixedly connected with the end of the other inclined pressing block 232, the outer wall of the fixed plate 121 is symmetrically provided with a sliding groove on both sides of the cavity block 231, the sliding groove in the outer wall of the fixed plate 121 is slidingly connected with a pushing block 122, the outer wall of the pushing block 122 is uniformly provided with a plurality of protrusions, the end of the pushing block 122 is in contact with the outer wall of the inclined pressing block 232, the inclined pressing block 232 and the cavity block 231 are slidingly matched in size, the inclined pressing block 232 is extruded by the fixed plate 121 and extruded and slides towards the inner wall of the cavity block 231, when the pressure on the inclined pressing block 232 disappears, the spring 233 drives the inclined pressing blocks 232 on both sides to pop out of the inner wall of the cavity block 231, the inclined pressing block 232 limits the displacement of the inner plate 23 and the fixed plate 121, and the connection stability is strengthened, the pushing block 122 is extruded, the inclined pressing block 232 is extruded into the cavity wall of the cavity block 231, the cavity block 231 slides at the opening of the fixed plate 121, and the cavity block 231 is separated from the fixed plate 121.

[0025] The outer wall of the fixed plate 121 is fixedly connected with a ring column 123, the outer wall of the light blocking plate 21 is fixedly connected with an elastic column 24, the outer wall of the light blocking plate 21 is fixedly connected with a cylindrical column 25, the cylindrical column 25 is sleeved on the outer wall of the elastic column 24 and is not in contact with the elastic column 24, the end of the elastic column 24 is attached to the outer wall of the fixed plate 121, the end of the elastic column 24 is inserted into the inner wall of the ring column 123 in a matched manner, the inner wall of the ring column 123 is provided with a ring groove 1231, the cylindrical column 25 is sleeved in the ring groove 1231 and is not in direct contact with the ring groove 1231, the elastic column 24 will be bent and deviated under pressure, and drives the cylindrical column 25 to deviate in the ring groove 1231 in the inner wall of the ring column 123, after the pressure disappears, the elasticity of the elastic column 24 drives the cylindrical column 25 to reset, and the deviation distance is restored, the elastic column 24 allows a certain deviation to occur after the module is subjected to pressure, and the reset is also driven, so that displacement light leakage between modules is prevented when mechanical pressure is uneven during assembly, brittle damage to the connecting piece between the modules is avoided, and the safety of module installation is improved.

[0026] The improvement of the embodiment is that:

[0027] The electric telescopic rod 22 drives the inner plate 23 to slide in the inner wall of the light blocking plate 21, adjusts the light blocking range, prevents light from four sides of the liquid crystal module, the elastic column 24 drives the module to deviate within the range of the ring groove 1231 when the module is subjected to pressure, drives the module to reset after losing the pressure, avoids brittle damage to the connecting piece between the modules when the mechanical pressure is uneven during assembly and causes displacement between the modules, improves practicability, the polarizing plate block 1 is assembled in module cooperation with the liquid crystal display block 11 and the backlight plate block 12, the outer wall of the polarizing plate block 1 is provided with the light blocking assembly 2 for light leakage protection of the edges of the module, the light blocking assembly 2 comprises the light blocking plate 21 and the inner plate 23, a gap is left between the end of the inner plate 23 and the inner wall of the light blocking plate 21, the end of the inner plate 23 does not directly contact the inner wall of the light blocking plate 21, and the size of the inner plate 23 is matched with the size of the cavity of the inner wall of the light blocking plate 21.

[0028] In order to make the light blocking assembly 2 prevent light for the liquid crystal module, the outer wall of the polarizing plate block 1 is fixedly connected with the light blocking plate 21, the inner wall of the light blocking plate 21 is fixedly connected with the electric telescopic rod 22, the end of the electric telescopic rod 22 is fixedly connected with the inner plate 23, and the outer wall of the inner plate 23 is slidably matched with the inner wall of the light blocking plate 21, after the module is assembled, the electric telescopic rod 22 on the inner wall of the light blocking plate 21 is opened, the electric telescopic rod 22 drives the inner plate 23 to slide in the inner wall of the light blocking plate 21, the inner plate 23 is adjusted to cover the module around, and the light blocking plate 21 and the inner plate 23 prevent light leakage for the liquid crystal module around.

[0029] Considering that the above light blocking mode still has deficiencies, the end of the inner plate 23 is fixedly connected with the cavity block 231, the outer wall of the backlight plate block 12 is fixedly connected with the fixed plate 121, the inner wall of the fixed plate 121 is provided with an opening, the outer wall of the cavity block 231 is slidably matched with the opening size of the outer wall of the fixed plate 121, the inner wall of the cavity block 231 is symmetrically and slidably connected with the inclined pressing block 232, the end of the inclined pressing block 232 is fixedly connected with the spring 233, the end of the spring 233 is fixedly connected with the end of the other inclined pressing block 232, the end of the inner plate 23 is tightly attached to the outer wall of the fixed plate 121, the inclined pressing block 232 at the end of the inner plate 23 is extruded to the inner wall of the cavity block 231, when the pressure received by the inclined pressing block 232 disappears, the spring 233 drives the inclined pressing blocks 232 on both sides to pop out of the inner wall of the cavity block 231, and the inclined pressing block 232 limits the displacement of the inner plate 23 and the fixed plate 121, and strengthens the connection relationship between the fixed plate 121 and the inner plate 23.

[0030] Considering that the user is inconvenient to change the connection relationship between the inner plate 23 and the fixed plate 121, it is inconvenient to timely disassemble the light blocking assembly 2, the outer wall of the fixed plate 121 is symmetrically provided with a sliding groove on both sides of the cavity block 231, the outer wall of the fixed plate 121 is slidingly connected with the push block 122 in the inner wall of the sliding groove, the outer wall of the push block 122 is uniformly provided with a plurality of protrusions, the end of the push block 122 is in contact with the outer wall of the inclined pressing block 232, the inclined pressing block 232 is slidingly fitted with the inner size of the cavity block 231, the user can conveniently press the outer wall of the push block 122 on both sides to extrude the inclined pressing block 232 into the inner wall of the cavity of the cavity block 231, open the electric telescopic rod 22, the electric telescopic rod 22 drives the inner plate 23 to move towards the light blocking plate 21, the cavity block 231 is away from the opening on the fixed plate 121, the user can conveniently disassemble the light blocking assembly 2, and the practicability is improved.

[0031] Considering that the polarization plate block 1 will be offset when extruded at the upper end, causing light leakage at the connection, the outer wall of the fixed plate 121 is fixedly connected with a ring column 123, the outer wall of the light blocking plate 21 is fixedly connected with an elastic column 24, the outer wall of the light blocking plate 21 is fixedly connected with a cylindrical column 25, the cylindrical column 25 is sleeved on the outer wall of the elastic column 24 and has no contact with the elastic column 24, the end of the elastic column 24 is attached to the outer wall of the fixed plate 121, the end of the elastic column 24 is inserted into the inner wall of the ring column 123, the inner wall of the ring column 123 is provided with a ring groove 1231, the cylindrical column 25 is sleeved in the ring groove 1231 and has no direct contact with the ring groove 1231, when the outer wall of the polarization plate block 1 is assembled and pressed, the elastic column 24 will be bent and offset under pressure, driving the cylindrical column 25 to offset in the ring groove 1231 in the inner wall of the ring column 123, after the pressure disappears, the elasticity of the elastic column 24 drives the cylindrical column 25 to reset, restoring the offset distance, the elastic column 24 allows a certain offset to occur after the module is subjected to pressure, and also drives the reset, preventing displacement between the modules due to uneven mechanical pressure during assembly, avoiding brittle damage to the connecting parts between the modules, and improving safety.

[0032] In summary, the working principle of the present scheme is as follows:

[0033] The utility model discloses high resolution miniature LED backlight liquid crystal display module when using specifically, and the polarizing plate 1 is assembled with liquid crystal display board piece 11, the backlight board piece 12 alignment, after the module is assembled, open the electric telescopic handle 22 of light barrier plate 21 inner wall, and the electric telescopic handle 22 drives the inner plate 23 sliding in the inner wall of light barrier plate 21, and the electric telescopic handle 22 drives the end of inner plate 23 to slide to the outer wall of fixed plate 121 and closes the electric telescopic handle 22, and the oblique pressure piece 232 of end of inner plate 23 is extruded to the extrusion sliding of cavity block 231 inner wall by fixed plate 121, when the pressure that oblique pressure piece 232 received disappears, spring 233 drives the oblique pressure piece 232 of both sides and pops out the inner wall of cavity block 231, and oblique pressure piece 232 will limit the displacement of inner plate 23 and fixed plate 121, and light barrier plate 21 and inner plate 23 carry out the light leakage protection of liquid crystal module four around, and the film pressing of mechanical to the outer wall of polarizing plate 1 is carried out, and the elastic column 24 is bent and deviated under pressure, and drives the cylindrical 25 deviation in the ring groove 1231 of ring column 123 inner wall, after the pressure disappears, the elasticity of elastic column 24 drives the cylindrical 25 reset, and the offset distance is restored, and the elastic column 24 allows certain deviation to occur after the module is under pressure, and reset is driven again, prevent the displacement light leakage between modules when assembling the uneven mechanical pressure, avoid the brittle failure of the connecting piece between modules, when needing to dismount liquid crystal module, press the extrusion of the outer wall of push pressure piece 122 on both sides, and extrude oblique pressure piece 232 into the cavity inner wall of cavity block 231 cavity, open the electric telescopic handle 22, and the electric telescopic handle 22 drives inner plate 23 to move towards light barrier plate 21, and cavity block 231 leaves the aperture on fixed plate 121, convenient for user to dismount light barrier assembly 2 in time.

[0034] The basic principle, main features and advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the utility model and do not limit the utility model. Without departing from the spirit and scope of the utility model, the utility model can have various changes and improvements, and these changes and improvements fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A high-resolution micro-LED backlight liquid crystal display module, comprising a polarizing plate block (1) and a liquid crystal display block (11), a backlight plate block (12) is assembled in module cooperation, the outer wall of the polarizing plate block (1) is provided with a light shielding assembly (2) for light leakage protection of the module edge, the light shielding assembly (2) comprises a light shielding plate (21) and an inner plate (23), characterized in that: a gap is left between the end of the inner plate (23) and the inner wall of the light shielding plate (21), the end of the inner plate (23) is not in direct contact with the inner wall of the light shielding plate (21), and the size of the inner plate (23) is matched with the size of the cavity of the inner wall of the light shielding plate (21). 2.The high-resolution micro-LED backlight liquid crystal display module of claim 1, wherein: The outer wall of the polarizing plate block (1) is fixedly connected with the light shielding plate (21), the inner wall of the light shielding plate (21) is fixedly connected with the electric telescopic rod (22), the end of the electric telescopic rod (22) is fixedly connected with the inner plate (23), and the outer wall of the inner plate (23) is slidingly matched with the inner wall of the light shielding plate (21). 3.The high-resolution micro-LED backlight liquid crystal display module of claim 1, wherein: The end of the inner plate (23) is fixedly connected with a cavity block (231), the outer wall of the backlight plate block (12) is fixedly connected with a fixed plate (121), the inner wall of the fixed plate (121) is provided with an opening, the outer wall of the cavity block (231) is slidingly matched with the size of the opening of the outer wall of the fixed plate (121), the inner wall of the cavity block (231) is symmetrically slidingly connected with inclined pressing blocks (232), the end of the inclined pressing block (232) is fixedly connected with a spring (233), and the end of the spring (233) is fixedly connected with the end of another inclined pressing block (232). 4.The high-resolution micro-LED backlight liquid crystal display module of claim 3, wherein: The outer wall of the fixed plate (121) is symmetrically provided with a sliding groove on both sides of the cavity block (231), the outer wall of the fixed plate (121) is slidingly connected with a pushing block (122) in the sliding groove, the outer wall of the pushing block (122) is uniformly provided with a plurality of protrusions, the end of the pushing block (122) is in contact with the outer wall of the inclined pressing block (232), and the inclined pressing block (232) is slidingly matched with the inner size of the cavity block (231). 5.The high-resolution micro-LED backlight liquid crystal display module of claim 3, wherein: The outer wall of the fixed plate (121) is fixedly connected with a ring column (123), the outer wall of the light shielding plate (21) is fixedly connected with an elastic column (24), the outer wall of the light shielding plate (21) is fixedly connected with a cylindrical column (25), the cylindrical column (25) is sleeved on the outer wall of the elastic column (24) and is in contact with the elastic column (24), the end of the elastic column (24) is attached to the outer wall of the fixed plate (121), the end of the elastic column (24) is inserted into the inner wall of the ring column (123), the inner wall of the ring column (123) is provided with a ring groove (1231), the cylindrical column (25) is sleeved in the ring groove (1231), and the cylindrical column (25) is in direct contact with the ring groove (1231).

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