CN214751837U

CN214751837U - Resistance touch display screen module

Info

Publication number: CN214751837U
Application number: CN202120857116.2U
Authority: CN
Inventors: 熊海兵; 李文
Original assignee: Chenzhou Jenson Display Co ltd
Current assignee: Hunan Jingxun Photoelectric Co ltd
Priority date: 2021-04-23
Filing date: 2021-04-23
Publication date: 2021-11-16
Anticipated expiration: 2031-04-23

Abstract

The utility model discloses a resistance touch display screen module, which comprises a rubber frame, a backlight, a COG layer, an RTP layer and a sealing layer, wherein the backlight is assembled at one side inside the rubber frame; the COG layer is arranged in a backlight groove arranged on the rubber frame, and the lower polarizer of the COG layer is arranged opposite to the backlight; the RTP layer is arranged outside the rubber frame and is opposite to the upper polaroid of the COG layer, and a display area and an ink window opening area are arranged on the RTP layer corresponding to the upper polaroid; the sealing layer is arranged between the RTP layer and the COG layer and fills a gap between the RTP layer and the rubber frame, and the part of the sealing layer positioned in the display area is pressed on the upper polarizer, so that a closed cavity structure is formed. The sealing layer of the module is positioned on the display area of the RTP layer, and the part of the sealing layer positioned on the display area of the RTP layer is pressed on the upper polarizer, so that a closed cavity structure is formed between the RTP layer and the COG layer, and the dustproof effect is achieved.

Description

Resistance touch display screen module

Technical Field

The utility model relates to a display screen module technical field especially relates to a resistive touch display screen module.

Background

At present, the FOG of a traditional display module with a resistance touch screen is assembled in a BL (basic block), the structural design requires that a display screen is lower than a backlight rubber frame by about 0.2mm, so that the touch screen and the display screen have a certain distance, when the touch screen is pressed for touching, the touch screen can not contact the display screen, the bad phenomenon of pressing a watermark can not occur, the distance between the touch screen and the display screen causes the display screen assembly to need to consider dust prevention, the traditional dust-proof structural design can increase dust-proof foam between a glass step and the display screen, or the yellow glue is sealed to achieve the dust-proof effect, but the yellow glue has fluidity, is not beneficial to the standardized operation of staff, the production efficiency and the yield are not high, the appearance of a manufactured product is not attractive, and the yellow glue is dried to package the product, and the labor waste time is consumed; and is not conducive to after-market repair.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving the technical problem that above-mentioned exists to a certain extent, provide a resistance touch display screen module, can improve the yield of production efficiency and product when guaranteeing dustproof effect.

The utility model provides a technical scheme that its technical problem adopted is: the resistance touch display screen module comprises a rubber frame, a backlight, a COG layer, an RTP layer and a sealing layer, wherein the backlight is assembled on one side inside the rubber frame; the COG layer sequentially comprises an upper polaroid, a CF layer, a TFT layer, a lower polaroid and an IC (integrated circuit) arranged on the TFT layer from top to bottom, the COG layer is arranged in a backlight groove arranged on the rubber frame, and the lower polaroid is arranged opposite to the backlight; the RTP layer is arranged outside the rubber frame and is opposite to the upper polaroid of the COG layer, and a display area and an ink window opening area are arranged on the RTP layer corresponding to the upper polaroid; the sealing layer is arranged between the RTP layer and the COG layer and fills a gap between the RTP layer and the rubber frame, and the part of the sealing layer positioned in the display area is pressed on the upper polarizer, so that a closed cavity structure is formed.

Preferably, a reflecting sheet is arranged at the position, right opposite to the backlight, of the bottom of the rubber frame, and an FPC (flexible printed circuit) light bar is arranged between the rubber frame and the reflecting sheet.

Preferably, the height of the backlight groove is greater than or equal to 0.05 times the thickness of the COG layer.

Preferably, the upper polarizer is 0.1mm away from one side of the CF layer and one side of the TFT layer respectively.

Preferably, the distance between the lower polarizer and one side of the CF layer and one side of the TFT layer are respectively 0.1 mm.

Preferably, the distance between the inner frame of the sealing layer and one side of the ink windowing area of the RTP layer is 0.5 mm.

Preferably, the thickness of the sealing layer is less than 0.15mm, and a double-sided adhesive tape with a shape of Chinese character hui is adopted.

Preferably, the thickness of the sealing layer is more than 0.15mm, and foam is adopted.

Compared with the prior art, the technical scheme provided by the embodiment of the application has the following advantages:

the sealing layer of this display screen module is located between RTP layer and the COG layer, and fill the RTP layer and glue the clearance between the frame, and the sealing layer is located the part pressure of the display area on RTP layer on last polaroid, thereby form confined cavity structures between RTP layer and the COG layer, reach dustproof effect, can be when guaranteeing dustproof effect, improve the yield of production efficiency and product, the standardized operation of formation simultaneously, avoid consuming the manual work, be favorable to returning repair from now on.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.

In the drawings:

fig. 1 is an overall assembly view of the resistive touch display screen module according to the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a diagram of the structure of the COG layer of the present invention;

fig. 4 is a front view of the RTP layer diagram of the present invention.

Reference numerals: 1-glue frame; 2-backlight; a 3-COG layer; 301-an upper polarizer; 302-CF layer; 303-TFT layer; 304-lower polarizer; 305-IC; 4-RTP layer; 5-sealing layer; 6-a reflector plate; 7-FPC lamp strip.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description, it should be understood that the directions or positional relationships indicated by "front", "back", "upper", "lower", "left", "right", "longitudinal", "horizontal", "vertical", "horizontal", "top", "bottom", "inner", "outer", "head", "tail", etc. are configured and operated in specific directions based on the directions or positional relationships shown in the drawings, and are only for convenience of describing the present invention, but do not indicate that the device or element referred to must have a specific direction, and thus, should not be construed as limiting the present invention.

It is also noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," "disposed," and the like are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. When an element is referred to as being "on" or "under" another element, it can be "directly" or "indirectly" on the other element or intervening elements may also be present. The terms "first", "second", "third", etc. are only for convenience in describing the present technical solution, and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", etc. may explicitly or implicitly include one or more of such features. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.

As shown in fig. 1-4, the utility model provides a resistive touch display screen module, including gluing frame 1, being shaded 2, COG layer 3, RTP layer 4, sealing layer 5, being shaded 2 assembly glue one side of frame 1 inside, wherein, glue frame 1 bottom and just being shaded 2's position and being equipped with reflector plate 6, be equipped with FPC lamp strip 7 between gluing frame 1 and reflector plate 6; the COG layer 3 sequentially comprises an upper polarizer 301, a CF layer 302, a TFT layer 303, a lower polarizer 304 and an IC305 arranged on the TFT layer 303 from top to bottom, the COG layer 3 is arranged in a backlight groove arranged on the rubber frame 1, wherein the height of the backlight groove is more than or equal to 0.05 time of the thickness of the COG layer 3, and the lower polarizer 304 is arranged opposite to the backlight 2; the RTP layer 4 is arranged outside the rubber frame 1 and is opposite to the upper polarizer 301 of the COG layer 3, and the RTP layer 4 is provided with a display area and an ink windowing area corresponding to the upper polarizer 301, specifically, the upper polarizer 301 is respectively 0.1mm away from one side of the CF layer 302 and one side of the TFT layer 303, and the lower polarizer 304 is respectively 0.1mm away from one side of the CF layer 302 and one side of the TFT layer 303; the sealing layer 5 is arranged between the RTP layer 4 and the COG layer 3, and fills a gap between the RTP layer and the rubber frame 1, and a part of the sealing layer 5 located in the display area is pressed on the upper polarizer 301, so that a closed cavity structure is formed, specifically, the distance between the inner frame of the sealing layer 5 and the single side of the ink window opening area of the RTP layer 4 is 0.5mm, wherein the double-sided adhesive tape is adopted when the thickness of the sealing layer 5 is less than 0.15mm, and foam is adopted when the thickness of the sealing layer 5 is greater than 0.15mm, so that the sealing effect of the sealing layer 5 is ensured.

The sealing layer 5 of display screen module locates between RTP layer 4 and COG layer 3 among this embodiment, and fill the RTP layer and glue the clearance between the frame 1, and the part that the sealing layer 5 is located the display area on RTP layer 4 is pressed on last polaroid 301, thereby make to form confined cavity structures between RTP layer 4 and the COG layer 3, reach dustproof effect, can be when guaranteeing dustproof effect, improve the yield of production efficiency and product, become standardized operation simultaneously, avoid consuming the manual work, be favorable to reprocessing in future.

It is to be understood that the foregoing examples merely represent preferred embodiments of the present invention, and that the description thereof is more specific and detailed, but not intended to limit the scope of the invention; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims

1. The utility model provides a resistive touch display screen module which characterized in that includes:

a rubber frame;

the backlight is assembled on one side of the inside of the rubber frame;

the COG layer sequentially comprises an upper polaroid, a CF layer, a TFT layer, a lower polaroid and an IC (integrated circuit) arranged on the TFT layer from top to bottom, the COG layer is arranged in a backlight groove arranged on the rubber frame, and the lower polaroid is arranged opposite to the backlight;

the RTP layer is arranged outside the rubber frame and is opposite to the upper polaroid of the COG layer, and the RTP layer is provided with a display area and an ink window opening area corresponding to the upper polaroid;

and the sealing layer is arranged between the RTP layer and the COG layer, a gap between the RTP layer and the rubber frame is filled, and the part of the sealing layer positioned in the display area is pressed on the upper polarizer, so that a closed cavity structure is formed.

2. The resistive touch display screen module of claim 1, wherein: the backlight module is characterized in that a reflector plate is arranged at the position, opposite to the backlight, of the bottom of the rubber frame, and an FPC (flexible printed circuit) lamp strip is arranged between the rubber frame and the reflector plate.

3. The resistive touch display screen module of claim 1, wherein: the height of the backlight groove is more than or equal to 0.05 times of the thickness of the COG layer.

4. The resistive touch display screen module of claim 1, wherein: the upper polaroid is 0.1mm away from one side of the CF layer and one side of the TFT layer respectively.

5. The resistive touch display screen module of claim 1, wherein: the lower polarizer is respectively 0.1mm away from one side of the CF layer and one side of the TFT layer.

6. The resistive touch display screen module of claim 1, wherein: the distance between the inner frame of the sealing layer and the single side of the ink windowing area of the RTP layer is 0.5 mm.

7. The resistive touch display screen module of claim 1, wherein: the thickness of the sealing layer is less than 0.15mm, and a double-sided adhesive tape in a shape of Chinese character hui is adopted.

8. The resistive touch display screen module of claim 1, wherein: the thickness of the sealing layer is larger than 0.15mm, and foam is adopted.