CN217157004U

CN217157004U - LCD display screen structure

Info

Publication number: CN217157004U
Application number: CN202220980447.XU
Authority: CN
Inventors: 刘进楠
Original assignee: CPT Technology Group Co Ltd
Current assignee: CPT Technology Group Co Ltd
Priority date: 2022-04-26
Filing date: 2022-04-26
Publication date: 2022-08-09
Anticipated expiration: 2032-04-26

Abstract

The utility model relates to a LCD display screen structure, which comprises an upper polaroid, a TFT glass substrate, a color film substrate, a lower polaroid and a backlight module which are sequentially and downwards stacked; one side of the TFT glass substrate is provided with an FPC; the backlight module comprises a back frame, a light source, a light guide plate and an optical film layer, wherein the light source, the light guide plate and the optical film layer are arranged in the back frame; the light source is arranged on one side of the back frame; the light guide plate is arranged on the other side of the back frame and comprises a light incident surface and a light emergent surface, and the light incident surface of the light guide plate is arranged corresponding to the light emergent surface of the light source; the optical film layer is arranged on the light emergent surface of the light guide plate; the TFT glass substrate is provided with the silk screen printing or etching brand mark on the lower frame region of FPC one side, the back frame corresponds the fretwork of brand mark department and forms the light-emitting window, and the material and the equipment that need not to use glass apron and laminating technology etc. adopt above technical scheme, save material and promote packaging efficiency and yield.

Description

LCD display screen structure

Technical Field

The utility model relates to a show technical field, concretely relates to LCD display screen structure.

Background

In the prior art, the lcd structure is usually a display screen formed by stacking a polarizer, a color filter substrate, a liquid crystal layer, a TFT glass substrate, a lower polarizer and a backlight module from top to bottom. With the development of the times and the continuous improvement of the technical level, the resolution and the size of the display are continuously increased, and meanwhile, the display with a narrow frame and a full-face screen becomes the mainstream in the market. In order to increase the screen occupation ratio, manufacturers are also dedicated to reducing the frame of the display to realize a full-screen. In order to identify the respective brand, a glass cover plate is usually attached over the full-screen display, and the brand mark is printed in the cover plate.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a need not to use material and equipment of glass apron and laminating technology etc. save material and the LCD display screen structure who promotes packaging efficiency and yield.

The utility model discloses a LCD display screen structure, it includes upper polaroid, TFT glass substrate, color film substrate, lower polaroid and backlight unit that stack up the setting downwards in proper order; one side of the TFT glass substrate is provided with an FPC; the backlight module comprises a back frame, a light source, a light guide plate and an optical film layer, wherein the light source, the light guide plate and the optical film layer are arranged in the back frame; the light source is arranged on one side of the back frame; the light guide plate is arranged on the other side of the back frame and comprises a light incident surface and a light emergent surface, and the light incident surface of the light guide plate is arranged corresponding to the light emergent surface of the light source; the optical film layer is arranged on the light emergent surface of the light guide plate; the TFT glass substrate is provided with a silk-screen or etched brand mark on the lower frame area on one side of the FPC, and the back frame corresponding to the brand mark is hollowed to form a light outlet.

An LCD display screen structure comprises an upper polarizer, a TFT glass substrate, a color film substrate, a lower polarizer and a backlight module which are sequentially stacked downwards; one side of the TFT glass substrate is provided with an FPC; the backlight module comprises a back frame, a light source, a light guide plate and an optical film layer, wherein the light source, the light guide plate and the optical film layer are arranged in the back frame; the light source is arranged on one side of the back frame; the light guide plate is arranged on the other side of the back frame and comprises a light incident surface and a light emergent surface, and the light incident surface of the light guide plate is arranged corresponding to the light emergent surface of the light source; the optical film layer is arranged on the light emergent surface of the light guide plate; the back frame is provided with a hollow lower frame area on one side of the FPC corresponding to the TFT glass substrate to form a light outlet, a light guide strip is arranged in the light outlet, and a brand mark is printed or etched on the top of the light guide strip or the lower frame area of the TFT glass substrate.

Furthermore, an 1/4 lambda glass sheet is arranged between the upper polaroid and the TFT glass substrate, or a TFT component and a wiring in the TFT glass substrate are molded by a ferrous metal material.

Furthermore, the back frame is by the chamber that holds that roof, bottom plate and four lateral walls formed, the light-emitting window sets up the roof is close to the lateral wall of back frame one side.

Further, the light guide strip comprises a top part, a supporting part and a limiting part, the top part is arranged above the top plate in parallel, one end of the top part covers the light outlet, and the other end of the top part extends above the top plate; one end of the supporting part is vertically connected below the top part, and the other end of the supporting part extends into the back frame and is connected with the bottom plate; the limiting part is connected to one side, deviating from the light outlet, of the supporting part and is arranged below the top plate in parallel.

Further, the FPC on the TFT glass substrate is bent downwards along the side wall of one side of the back frame and fixed on the bottom surface of the bottom plate of the back frame.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the brand mark is printed or etched on the lower frame area of the TFT glass substrate in a silk-screen mode, the brand mark is highlighted by a light source in the backlight module, the brand mark is highlighted simultaneously when the display is lightened, the brand identification degree is increased, a full-face screen is realized under the condition that a glass cover plate is not used for the display screen, the cover plate material and the bonding optical cement are saved, and the assembly efficiency and the yield are improved;

2. a light outlet is hollowed in the back frame corresponding to the lower frame region of the TFT glass substrate, and a light guide strip is additionally arranged at the light outlet, so that the brightness of a brand mark is further improved, and the brand identification degree is further increased;

3. an 1/4 lambda glass sheet is arranged between an upper polaroid and a TFT glass substrate, or TFT components and wiring in the TFT glass substrate are formed by a black metal material, so that the condition that external environment incident light enters from the polaroid and then is reflected by a circuit metal layer of the TFT glass substrate to form the same polarized light to be emitted to cause visual glare is prevented, and the contrast of a picture is further improved;

4. the FPC is adopted to replace a PCB + FPC circuit, and the FPC is directly bent and fixed on the backlight, so that the installation is convenient.

Drawings

The accompanying drawings, which are described herein to provide a further understanding of the application, are included in the following description:

fig. 1 is a schematic structural diagram of a first embodiment of the present invention;

fig. 2 is a schematic view of a perspective structure of a light guide strip according to a second embodiment of the present invention;

fig. 3 is a schematic structural view of a light guide strip disposed at a light exit of an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a second embodiment of the present invention.

Detailed Description

Referring to fig. 1, an LCD display screen structure according to a first embodiment includes an upper polarizer 1, an 1/4 λ glass sheet 2, a TFT glass substrate 3, a color film substrate 4, a lower polarizer 5, and a backlight module 6, which are sequentially stacked downward; certainly, the 1/4 lambda glass slide 2 is not needed, and the TFT components and the wiring in the TFT glass substrate can be directly molded by adopting a ferrous metal material; one side of the TFT glass substrate 3 is provided with an FPC 31; the backlight module 6 comprises a back frame 61, a light source 63 arranged in the back frame 61, a light guide plate 62 and an optical film layer 64; the light source 63 is arranged on one side of the back frame 61; the light guide plate 62 is arranged on the other side of the back frame 61 and comprises a light incident surface and a light emergent surface, and the light incident surface of the light guide plate 62 is arranged corresponding to the light emergent surface of the light source 63; the optical film layer 64 is disposed on the light-emitting surface of the light guide plate 62; the lower frame area of the side, provided with the FPC31, of the TFT glass substrate 3 is printed or etched with brand marks (not shown), and the back frame 61 corresponding to the brand marks is hollowed to form a light outlet 65.

Referring to fig. 2 to fig. 4, the second embodiment is consistent with the second embodiment except that the light guide bar is additionally arranged and the brand mark is located at different positions. In the second LCD display screen structure of the embodiment, the light outlet is internally provided with the light guide bar 7, a brand mark (not shown) is silk-screened or etched on the top of the light guide bar 7 or the lower frame region of the TFT glass substrate 3, and a light source of the light guide bar can be independently arranged or can be directly introduced into a light source in the backlight module.

In a further modification of the above two embodiments, the back frame 61 is a containing cavity formed by a top plate 613, a bottom plate 611 and four side walls 612, and the light outlet 65 is disposed on the side wall 612 of the top plate 613 near the back frame 61.

In a further modification of the above two embodiments, the FPC31 on the TFT glass substrate 3 is bent downward along the side wall 612 on one side of the back frame 61 and fixed to the bottom surface of the back frame bottom plate 611.

In a further improvement of the second embodiment, the light guide strip 7 includes a top portion 71, a support portion 73 and a limiting portion 72, the top portion 71 is disposed above the top plate 613 in parallel, one end of the top portion 71 covers the light outlet 65, and the other end extends above the top plate 613; one end of the supporting part 73 is vertically connected below the top part 71, and the other end of the supporting part extends into the back frame 61 and is connected with the bottom plate 611; the limiting portion 72 is connected to a side of the supporting portion 73 away from the light exit, and is disposed below the top plate 613 in parallel.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An LCD display screen structure which characterized in that: the backlight module comprises an upper polarizer, a TFT glass substrate, a color film substrate, a lower polarizer and a backlight module which are sequentially stacked downwards; one side of the TFT glass substrate is provided with an FPC; the backlight module comprises a back frame, a light source, a light guide plate and an optical film layer, wherein the light source, the light guide plate and the optical film layer are arranged in the back frame; the light source is arranged on one side of the back frame; the light guide plate is arranged on the other side of the back frame and comprises a light incident surface and a light emergent surface, and the light incident surface of the light guide plate is arranged corresponding to the light emergent surface of the light source; the optical film layer is arranged on the light emergent surface of the light guide plate; the TFT glass substrate is provided with a silk-screen or etched brand mark on the lower frame area on one side of the FPC, and the back frame corresponding to the brand mark is hollowed to form a light outlet.

2. An LCD panel structure according to claim 1, further comprising: 1/4 lambda glass slides are arranged between the upper polaroid and the TFT glass substrate, or TFT components and wires in the TFT glass substrate are molded by ferrous metal materials.

3. An LCD panel structure according to claim 1, further comprising: the back frame is by the chamber that holds that roof, bottom plate and four lateral walls formed, the light-emitting window sets up the roof is close to the lateral wall of back frame one side.

4. An LCD screen structure according to claim 3, wherein: the FPC on the TFT glass substrate is bent downwards along the side wall of one side of the back frame and fixed on the bottom surface of the back frame bottom plate.

5. An LCD display screen structure which characterized in that: the backlight module comprises an upper polarizer, a TFT glass substrate, a color film substrate, a lower polarizer and a backlight module which are sequentially stacked downwards; one side of the TFT glass substrate is provided with an FPC; the backlight module comprises a back frame, a light source, a light guide plate and an optical film layer, wherein the light source, the light guide plate and the optical film layer are arranged in the back frame; the light source is arranged on one side of the back frame; the light guide plate is arranged on the other side of the back frame and comprises a light incident surface and a light emergent surface, and the light incident surface of the light guide plate is arranged corresponding to the light emergent surface of the light source; the optical film layer is arranged on the light emergent surface of the light guide plate; the back frame is provided with a hollow lower frame area on one side of the FPC corresponding to the TFT glass substrate to form a light outlet, a light guide strip is arranged in the light outlet, and a brand mark is printed or etched on the top of the light guide strip or the lower frame area of the TFT glass substrate.

6. An LCD screen structure according to claim 5, wherein: the light guide strip comprises a top part, a supporting part and a limiting part, the top part is arranged above the top plate in parallel, one end of the top part covers the light outlet, and the other end of the top part extends above the top plate; one end of the supporting part is vertically connected below the top part, and the other end of the supporting part extends into the back frame and is connected with the bottom plate; the limiting part is connected to one side, deviating from the light outlet, of the supporting part and is arranged below the top plate in parallel.

7. An LCD screen structure according to claim 5, wherein: 1/4 lambda glass slides are arranged between the upper polarizer and the TFT glass substrate, or TFT components and wires in the TFT glass substrate are molded by ferrous metal materials.

8. An LCD screen structure according to claim 5, wherein: the back frame is by the chamber that holds that roof, bottom plate and four lateral walls formed, the light-emitting window sets up the roof is close to the lateral wall of back frame one side.

9. An LCD panel structure according to claim 8, further comprising: the FPC on the TFT glass substrate is bent downwards along the side wall of one side of the back frame and fixed on the bottom surface of the back frame bottom plate.