CN218240597U

CN218240597U - Liquid crystal display module of education flat plate

Info

Publication number: CN218240597U
Application number: CN202221240835.0U
Authority: CN
Inventors: 苏春勇; 何俊
Original assignee: Xingyuan Electronic Technology Shenzhen Co Ltd
Current assignee: Xingyuan Electronic Technology Shenzhen Co Ltd
Priority date: 2022-05-23
Filing date: 2022-05-23
Publication date: 2023-01-06
Anticipated expiration: 2032-05-23

Abstract

The utility model belongs to the technical field of digital electronics, especially, dull and stereotyped liquid crystal display module of education, the following scheme is proposed now, including driver IC, LCD glass board, flexible circuit board and template in a poor light, driver IC splices in the front of LCD glass board, flexible circuit board glues in the front below of LCD glass board, all splice all around of LCD glass board and template in a poor light has the bordure to glue. And an upper polarizer is attached to the upper surface of the LCD glass plate. The utility model discloses well LCD glass board bonds together through returning the type glue with the template in a poor light, and what LCD glass board and template in a poor light has the bound to glue all around and is wrapping up, plays the effect of leak protection light, and this liquid crystal display module luminance is high, and the contrast is big, and the colour gamut is wide, and the dull and stereotyped experience effect of greatly increased education can be used for supporting the display template through the stabilizer blade that sets up simultaneously, the dull and stereotyped use of being convenient for, the angle modulation mode of stabilizer blade is simple and convenient swift simultaneously, and is more firm when the stabilizer blade uses simultaneously.

Description

Liquid crystal display module of education flat plate

Technical Field

The utility model relates to a digital electronic technology field especially relates to a dull and stereotyped liquid crystal display module of education.

Background

Influenced by the new coronary pneumonia epidemic situation, the increase of home work and the appearance of remote education policies, the acceptance degree of parents to online education is higher and higher, and the use habit of the parents in registering and coaching for children can be changed in the future. The explosion of online education will benefit the growth of tablet computers, with the shift from more offline to online education. The flat board is bigger than the cell-phone screen, and is better to the visual protection, and the dull and stereotyped use of large screen is experienced and also can be better than the cell-phone, but the condition of light leak can appear in the display module assembly in the current flat board, needs a dull and stereotyped liquid crystal display module of education for this reason.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of dull and stereotyped liquid crystal display module of education has solved the problem that exists among the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a dull and stereotyped liquid crystal display module of education, includes driver IC, LCD glass board, flexible circuit board and template in a poor light, driver IC splices in the front of LCD glass board, flexible circuit board splices in the front below of LCD glass board, all splice all around of LCD glass board and template in a poor light has the bound to glue, the outside of LCD glass board is fixed with the shell, the outside of shell is equipped with supporting mechanism.

Preferably, an upper polarizer is attached to the upper surface of the LCD glass plate, and a lower polarizer is attached to the lower surface of the LCD glass plate.

Preferably, the reverse side top of flexible circuit board is equipped with the golden finger, be connected with the pad between flexible circuit board and the template of being shaded, the last just position department that is located pad one side of flexible circuit board is equipped with the component district, the last top position department that just is located pad and component district that just is equipped with of flexible circuit board is used for protecting the high temperature glue in pad and component district the front lower part of flexible circuit board is equipped with dew copper district, the connector is installed to the back bottom of flexible circuit board, the outside of connector is fixed with the steel sheet.

Preferably, the backlight template is formed by sequentially stacking a back molding glue, an upper brightness enhancement film, a lower diffusion plate, a frame glue, an LED lamp assembly, a shading white film, a light guide plate and a reflection film, wherein the LCD glass plate is connected with the backlight template through the back molding glue in an adhesive mode.

Preferably, the LED lamp assembly consists of twenty-four LED lamps, eight strings and three parallel lamps, and the back surface of the backlight template is sprayed with identification code.

Preferably, the supporting mechanism comprises a rotating shaft fixed on the outer side of the shell through a fastening bolt, the outer side of the rotating shaft is rotatably connected with a lantern ring, and the outer side of the lantern ring is fixed with a support leg.

Preferably, there is the handle one side of stabilizer blade is articulated through the torsional spring, the outside of handle is fixed with the stay cord, the one end that the handle was kept away from to the stay cord extends to the inside of pivot and is fixed with first actuating lever, first actuating lever level is pegged graft in the inside of pivot, the outside of first actuating lever articulates there is the second actuating lever, the one end that first actuating lever was kept away from to the second actuating lever articulates there is the third actuating lever, and the third actuating lever along the radial and pivot slip grafting of pivot, the slot that the cooperation third actuating lever was pegged graft and is used is seted up to the inner circle of the lantern ring.

Preferably, the inside of pivot is seted up and is cooperated the first spout that first actuating lever pegged graft and uses, the level is fixed with reset spring between first spout and the first actuating lever, the inside of pivot is still seted up and is cooperated the movable groove that second actuating lever motion was used and cooperates the second spout that third actuating lever pegged graft and use.

The utility model discloses well LCD glass board bonds through returning the type glue and template in a poor light and is in the same place, and there is the bordure to glue around LCD glass board and the template in a poor light and is wrapping up, plays the effect of leak protection light, and this liquid crystal display module luminance is high, and the contrast is big, and the colour gamut is wide, and the dull and stereotyped experience effect of greatly increased education can be used for supporting the display template through the stabilizer blade that sets up simultaneously, the dull and stereotyped use of being convenient for, the angle modulation mode of stabilizer blade is simple and convenient swift simultaneously, and is more firm when the stabilizer blade uses simultaneously.

Drawings

Fig. 1 is a schematic view of a front mounting structure of a flexible printed circuit board according to the present invention;

fig. 2 is a schematic view of a back mounting structure of the flexible printed circuit board of the present invention;

fig. 3 is a schematic view of the disassembly mechanism of the backlight module according to the present invention;

fig. 4 is a schematic front structural view of the support mechanism of the present invention;

fig. 5 is a sectional view of the mounting structure of the first driving lever of fig. 4.

In the figure: 101. a driver IC; 201. an LCD glass plate; 301. a flexible circuit board; 302. a golden finger; 303. a pad; 304. an element region; 305. high-temperature glue; 306. exposing copper; 307. a connector; 308. a steel sheet; 401. a backlight template; 402. molding back glue; 403. edge covering glue; 404. an upper brightness enhancement film; 405. a lower brightness enhancement film; 406. a lower diffuser plate; 407. frame glue; 408. an LED lamp group; 409. shading white film; 410. a light guide plate; 411. a reflective film; 501. a housing; 502. a rotating shaft; 503. a collar; 504. a support leg; 505. a handle; 506. a return spring; 507. pulling a rope; 508. a first drive lever; 509. a second drive lever; 510. and a third drive rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-5, a dull and stereotyped liquid crystal display module of education, including driver IC101, LCD glass board 201, flexible circuit board 301 and template 401 of being shaded, driver IC101 glues and connects in the front of LCD glass board 201, flexible circuit board 301 glues in the front below of LCD glass board 201, all glue the edge-covering glue 403 around LCD glass board 201 and the template 401 of being shaded, the outside of LCD glass board 201 is fixed with shell 501, the outside of shell 501 is equipped with the supporting mechanism who is used for supporting shell 501 to use.

Further, an upper polarizer is attached to the upper surface of the LCD glass plate 201, and a lower polarizer is attached to the lower surface of the LCD glass plate 201.

Further, the angle of the upper polarizer 202 is 0 °, and the angle of the lower polarizer 203 is 90 °.

Further, the reverse side top of flexible circuit board 301 is equipped with golden finger 302, be connected with pad 303 between flexible circuit board 301 and the template 401 of being shaded, on the flexible circuit board 301 and be located pad 303 one side position department and be equipped with component area 304, on the flexible circuit board 301 and be located pad 303 and component area 304 top position department and be equipped with the high temperature glue 305 that is used for protecting pad 303 and component area 304 the front lower part of flexible circuit board 301 is equipped with dew copper district 306, connector 307 is installed to the back bottom of flexible circuit board 301, the outside of connector 307 is fixed with steel sheet 308.

Further, the model of the driving IC101 is ER88577a or ER88577, the size of the LCD glass plate 201 is 8 inches, the resolution is 800 × 1280, the model is F080a11-601 or F080a52-60, the model of the upper polarizer is SLP-5115AG4-08-T, the model of the lower polarizer is SLP-5115-10-TI-S11, and the model of the connector 307 is WP7B-P040VA1.

Further, the backlight module 401 is formed by sequentially stacking a molding compound 402, an upper brightness enhancement film 404, a lower brightness enhancement film 405, a lower diffuser 406, a sealant 407, an LED lamp assembly 408, a light shielding white film 409, a light guide plate 410, and a reflective film 411, wherein the LCD glass plate 201 is bonded to the backlight module 401 through the molding compound 402.

Further, the LED lamp assembly 408 is composed of twenty-four LED lamps, eight strings and three parallel, and the back surface of the backlight template 401 is sprayed with identification code.

Further, the type of the return rubber 402 is LG-S060-S, and the thickness is 0.06mm; the model of the upper brightness enhancement film 404 is TR624, and the thickness is 0.118mm; the model of the lower brightness enhancement film 405 is KN624, and the thickness is 0.112mm; the lower diffusion plate 406 is in a model of CH-29NU, and the thickness is 0.095mm; the sealant 407 has a model number of URZ2501 and a thickness of 1.67mm; the LED model number in the LED lamp assembly 408 is LC-S02-WB-B12X/09 or SXS-020DHC; the shading white film 409 is SY50C-50, and the thickness is 0.06mm; the light guide plate 410 is HL8004, and the thickness of the light guide plate is 0.55mm; the model of the reflecting film 411 is L20-150+ TESASAKE 80, and the thickness of the reflecting film is 0.15mm.

Further, the supporting mechanism comprises a rotating shaft 502 fixed on the outer side of the housing 501 through fastening bolts, a collar 503 is rotatably connected on the outer side of the rotating shaft 502, a leg 504 is fixed on the outer side of the collar 503, and the leg 504 rotates around the rotating shaft 502 through the collar 503.

Further, a handle 505 is hinged to one side of the support leg 504 through a torsion spring, a pull rope 507 is fixed to the outer side of the handle 505, one end of the pull rope 507, which is far away from the handle 505, extends into the rotating shaft 502 and is fixed with a first driving rod 508, the first driving rod 508 is horizontally inserted into the rotating shaft 502, a second driving rod 509 is hinged to the outer side of the first driving rod 508, one end of the second driving rod 509, which is far away from the first driving rod 508, is hinged with a third driving rod 510, the third driving rod 510 is slidably inserted into the rotating shaft 502 along the radial direction of the rotating shaft 502, a slot used in cooperation with the third driving rod 510 is formed in the inner ring of the collar 503, when the third driving rod 510 is inserted into the slot, the collar 503 and the support leg 504 are fixed relative to the rotating shaft 502, so as to fix the angle between the housing 501 and the support leg 504, when the handle 505 and the support leg 504 are gripped, the handle 505 drives the first driving rod 508 to drive the first driving rod 508 to horizontally move in the direction of the support leg 502 through the pull rope 507, so that the drive rod 510 to horizontally move towards the rotating shaft 502, and the axis of the support leg 502 can be conveniently adjusted, and the tilt angle of the plate 502 can be adjusted around the drive rod 502.

Further, a first sliding groove matched with the first driving rod 508 for plugging is formed in the rotating shaft 502, a return spring 506 is horizontally fixed between the first sliding groove and the first driving rod 508, and a movable groove matched with the second driving rod 509 for movement and a second sliding groove matched with the third driving rod 510 for plugging are further formed in the rotating shaft 502.

The working principle is as follows: when the angle of the flat plate needs to be adjusted, when a user grips the handle 505 and the leg 504, the handle 505 is driven to move towards the leg 504, the handle 505 drives the first driving rod 508 to horizontally move in the rotating shaft 502 through the pull rope 507, when the first driving rod 508 horizontally moves, the third driving rod 510 is driven to move towards the axis of the rotating shaft 502 through the second driving rod 509, so that the third driving rod 510 is retracted into the rotating shaft 502, at this time, the leg 504 can rotate around the rotating shaft 502, the inclination angle of the flat plate can be adjusted conveniently, after the angle is determined, the handle 505 is released, the handle 505 returns to the original position under the action of the torsion spring, the third driving rod 510 returns to the original position under the action of the return spring 506, and the third driving rod 510 is inserted into the slot, so that the leg 504 and the shell 501 are relatively fixed; LCD glass board 201 glues 402 through returning the type and bonds together with template 401 in a poor light, there is the bound to glue 403 to wrap up around LCD glass board 201 and template 401 in a poor light, play the effect of leak protection light, this liquid crystal display module assembly luminance is high, the contrast is big, the colour gamut is wide, the dull and stereotyped experience effect of greatly increased education, simultaneously can be used for supporting the display template through the stabilizer blade 504 that sets up, the dull and stereotyped use of being convenient for, simultaneously the angle modulation mode of stabilizer blade 504 is simple and efficient, simultaneously more firm when stabilizer blade 504 uses.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a dull and stereotyped liquid crystal display module of education, includes driver IC (101), LCD glass board (201), flexible circuit board (301), template (401) are shaded, a serial communication port, driver IC (101) splice in the front of LCD glass board (201), flexible circuit board (301) splice in the front below of LCD glass board (201), all splice all around of LCD glass board (201) and template (401) are shaded and have bordure to glue (403), the outside of LCD glass board (201) is fixed with shell (501), the outside of shell (501) is equipped with the supporting mechanism who is used for supporting shell (501).

2. The LCD module of claim 1, wherein the LCD glass plate (201) has an upper polarizer attached to its upper surface and a lower polarizer attached to its lower surface (201).

3. The liquid crystal display module of the education plate as claimed in claim 1, wherein a gold finger (302) is arranged above the reverse side of the flexible circuit board (301), a pad (303) is connected between the flexible circuit board (301) and the backlight template (401), an element area (304) is arranged on the flexible circuit board (301) and on one side of the pad (303), a high temperature glue (305) for protecting the pad (303) and the element area (304) is arranged on the flexible circuit board (301) and on the upper position of the pad (303) and the element area (304), a copper exposure area (306) is arranged on the lower portion of the front side of the flexible circuit board (301), a connector (307) is mounted at the bottom of the back side of the flexible circuit board (301), and a steel sheet (308) is fixed on the outer side of the connector (307).

4. The liquid crystal display module of an education plate as claimed in claim 1 wherein the backlight template (401) is formed by stacking a light-shielding white film (409), a light guide plate (410) and a reflective film (411) in sequence from a light-reflecting adhesive (402), an upper light-shielding film (404), a lower light-shielding film (405), a lower diffuser plate (406), a sealant (407), an LED lamp assembly (408), and the backlight template (401) is glued to the LCD glass plate (201) by the light-reflecting adhesive (402).

5. The LCD module of claim 4, wherein the LED lamp assembly (408) is composed of twenty-four LED lamps, eight strings and three parallel, and the back of the backlight template (401) is sprayed with identification code.

6. The LCD module of claim 1, wherein the supporting mechanism comprises a rotating shaft (502) fixed on the outer side of the housing (501) by fastening bolts, a collar (503) is rotatably connected on the outer side of the rotating shaft (502), and a leg (504) is fixed on the outer side of the collar (503).

7. The liquid crystal display module of the education plate as claimed in claim 6, wherein one side of the supporting leg (504) is hinged with a handle (505) through a torsion spring, a pull rope (507) is fixed on the outer side of the handle (505), one end of the pull rope (507) far away from the handle (505) extends into the rotating shaft (502) and is fixed with a first driving rod (508), the first driving rod (508) is horizontally inserted into the rotating shaft (502), the outer side of the first driving rod (508) is hinged with a second driving rod (509), one end of the second driving rod (509) far away from the first driving rod (508) is hinged with a third driving rod (510), the third driving rod (510) is in sliding insertion with the rotating shaft (502) along the radial direction of the rotating shaft (502), and an inner ring of the sleeve ring (503) is provided with a slot for insertion of the third driving rod (510).

8. The liquid crystal display module of an educational flat plate according to claim 7, wherein the inside of the rotating shaft (502) is provided with a first chute matched with the first driving rod (508) for plugging, a return spring (506) is horizontally fixed between the first chute and the first driving rod (508), and the inside of the rotating shaft (502) is further provided with a movable groove matched with the second driving rod (509) for moving and a second chute matched with the third driving rod (510) for plugging.