CN211207018U - Novel mobile phone backlight source component - Google Patents

Abstract

The utility model provides a new-type cell-phone backlight subassembly, this technical scheme have carried out the novelty around the entity connection structure of LCD screen and backlight and have improved. Specifically see, the utility model discloses fixed guide way and spacing angle board respectively in the upper end of backlight shell, played the guide effect by the guide way to the insertion route of LCD screen, played the restriction effect to the depth of insertion of LCD screen by spacing angle board, based on above principle, when making or maintaining the link, needs fix a position LCD screen to the backlight upper end, only need insert wherein along the guide way with the LCD screen, roof pressure to guide way department can guarantee to align accurately between LCD screen and the storehouse body. On this basis, the utility model discloses set up convex step portion in the LCD screen rear end, because step portion protrusion is less in storehouse body outside and thickness, therefore be convenient for grip here when the maintenance and take the LCD screen out. The utility model discloses the connection structure between LCD screen and the backlight has been improved, the dismouting in the maintenance process of being convenient for more.

Description

Novel mobile phone backlight source component

Technical Field

The utility model relates to a display screen technical field, concretely relates to new-type cell-phone backlight subassembly.

Background

In the structure of the mobile phone, the display screen is an important module for realizing information transmission and man-machine interaction, so that the mobile phone is frequently used, and the performance of the mobile phone screen has direct influence on the sensory experience of a user. In recent years, along with the rapid popularization of smart phones, the market growth and technical innovation of global mobile phones are accelerated, and the industrial scale is continuously promoted. From the product composition, the current mobile phone screen mainly uses a touch screen, and mainly comprises parts such as cover plate glass, a touch module, a display module and the like, but with the increasing requirements of the whole mobile phone, such as lightness and thinness, high-definition display and the like, and the increasing maturity of the embedded touch technology, the mobile phone screen industry is gradually developing from the traditional single-component supply to the production direction of the integrated module, and the longitudinal integration trend of the industry chain is obvious.

The mobile phone screen is different due to different L CD qualities and research and development technologies, the types of the mobile phone screen are roughly TFT, TFD, UFB, STN and O L ED, in various display screen structures, a backlight source is an important guarantee for realizing good imaging effect of the display screen, the backlight source is a light source positioned behind the liquid crystal display screen, and the liquid crystal display screen does not emit light, so that a light supplementing effect needs to be achieved by the backlight source, and the light emitting effect of the backlight source directly influences the visual effect of the liquid crystal display module.

Disclosure of Invention

The utility model discloses aim at to prior art's technical defect, provide a new-type cell-phone backlight subassembly to among the solution prior art, the conventional connection structure between backlight and the LCD screen is not convenient for carry out the technical problem of dismouting when the maintenance.

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

a novel mobile phone backlight source assembly comprises a bin body, a trapezoidal plate, a connecting wire, a projecting column, a point light source, a light guide plate, a guide groove, a limiting angle folding plate, a liquid crystal screen, a step part and a flexible circuit board, wherein the trapezoidal plate is fixedly connected to the side end of the bin body, the connecting wire is fixedly connected to the side end of the trapezoidal plate, and the projecting column is fixedly connected to the lower end of the bin body or the lower end of the trapezoidal plate; the bin body is internally and fixedly connected with a plurality of point light sources, and the upper end surface of the bin body is a light guide plate; the two sides of the upper end of the bin body are respectively and fixedly connected with a guide groove, and the tail ends of the two sides of the upper end of the bin body are respectively and fixedly connected with a limiting angle folding plate; the liquid crystal screen is inserted between the two guide grooves, the front end of the liquid crystal screen is pressed at the position of the limiting angle folding plate, the rear end of the liquid crystal screen is provided with a step part, and the liquid crystal screen is connected with a flexible circuit board.

Preferably, the thickness of the step portion is smaller than the thickness of the liquid crystal panel.

Preferably, the liquid crystal display panel further comprises a connecting sheet and an arc-shaped steering part, wherein one end of the flexible circuit board is electrically connected with the liquid crystal display, and the other end of the flexible circuit board is the connecting sheet; the flexible circuit board is provided with a section of arc-shaped steering part.

Preferably, the lower end edge of the liquid crystal screen is fixedly bonded with the upper end frame of the bin body, and a gap is reserved between the liquid crystal screen and the light guide plate.

Preferably, the connecting wire stretches into storehouse internal portion, pointolite and connecting wire electric connection line.

In the technical scheme, the bin body is a shell structure of a backlight source and is used for accommodating a point light source and a light guide plate on one hand and bearing a liquid crystal screen on the other hand, the trapezoidal plate is used for bearing a connecting wire, the connecting wire is used for being connected to a power supply to supply power to the point light source, the protruding column is used for supplying power to the mobile phone, the mobile phone is connected with other structures of the mobile phone, the point light source is a conventional lamp and is used for providing an illumination effect, the light guide plate is used for converting light rays emitted by the point light source into a surface light source to be uniformly output, the light guide plate is made of conventional materials and can be purchased from the market, the guide groove and the limiting angle plate are used for guiding and limiting the position of the liquid crystal screen, so that the liquid crystal screen can be conveniently and accurately aligned with the bin body, the liquid crystal screen can be accurately aligned with the bin body only by inserting the liquid crystal screen into the guide groove and pressing the limiting angle plate, the liquid crystal screen is a conventional L CD component which can be purchased from the market in a modularized mode, the step part can be conveniently pinched and pulled out after the bonding point is broken when the liquid crystal screen and the bin body is required to be separated from the mobile phone, the bin body, the step part can be conveniently held by holding the flexible circuit board when the flexible circuit.

The utility model provides a new-type cell-phone backlight subassembly, this technical scheme have carried out the novelty around the entity connection structure of LCD screen and backlight and have improved. Specifically see, the utility model discloses guide way and spacing angle board have been fixed respectively in the upper end of backlight shell, play the guide effect by the guide way to the insertion route of LCD screen, play the restriction effect to the depth of insertion of LCD screen by spacing angle board, based on above principle, make or maintain the link, when needing to fix a position LCD screen to the backlight upper end, only need insert wherein the LCD screen along the guide way, roof pressure to guide way department, can guarantee accurate alignment between LCD screen and the storehouse body, thereby realize quick location. On this basis, the utility model discloses set up convex step portion in the LCD screen rear end, because step portion protrusion is less in storehouse body outside and thickness, therefore be convenient for grip here when the maintenance and take the LCD screen out. To sum up, the utility model discloses improved the joint construction between LCD screen and the backlight shell, the dismouting in the maintenance process of being convenient for more.

Drawings

FIG. 1 is a perspective view of the present invention from a single viewing angle;

fig. 2 is a perspective view of the present invention viewed from another perspective as a whole;

FIG. 3 is a three-dimensional structure diagram of the liquid crystal display and the flexible printed circuit board of the present invention;

fig. 4 is a three-dimensional structure diagram of the backlight source of the present invention;

FIG. 5 is a three-dimensional structure view of the interior of the middle bin body of the present invention;

in the figure:

1. bin body 2, trapezoidal plate 3, connecting wire 4 and projecting column

5. Point light source 6, light guide plate 7, guide groove 8 and limiting angle folding plate

9. Liquid crystal screen 10, step part 11, flexible circuit board 12 and connecting sheet

13. An arc-shaped turning part.

Detailed Description

The following will describe in detail specific embodiments of the present invention. Well-known structures or functions may not be described in detail in the following embodiments in order to avoid unnecessarily obscuring the details. Approximating language, as used herein in the following examples, may be applied to identify quantitative representations that could permissibly vary in number without resulting in a change in the basic function. Unless defined otherwise, technical and scientific terms used in the following examples have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

Example 1

A novel mobile phone backlight source assembly is shown in figures 1-5 and comprises a bin body 1, trapezoidal plates 2, connecting wires 3, protruding columns 4, a point light source 5, a light guide plate 6, a guide groove 7, a limiting folded angle plate 8, a liquid crystal screen 9, a step part 10 and a flexible circuit board 11, wherein the trapezoidal plates 2 are fixedly connected to the side end of the bin body 1, the connecting wires 3 are fixedly connected to the side end of the trapezoidal plates 2, and the protruding columns 4 are fixedly connected to the lower end of the bin body 1 or the lower end of the trapezoidal plates 2; a plurality of point light sources 5 are fixedly connected inside the bin body 1, and a light guide plate 6 is arranged on the upper end surface of the bin body 1; the two sides of the upper end of the bin body 1 are respectively and fixedly connected with a guide groove 7, and the tail ends of the two sides of the upper end of the bin body 1 are respectively and fixedly connected with a limiting angle folding plate 8; the liquid crystal screen 9 is inserted between the two guide grooves 7, the front end of the liquid crystal screen 9 is pressed at the position of the limiting angle folding plate 8, the rear end of the liquid crystal screen 9 is provided with a step part 10, and the liquid crystal screen 9 is connected with a flexible circuit board 11.

The device is structurally characterized in that a bin body 1 is a shell structure of a backlight source and is used for accommodating a point light source 5 and a light guide plate 6 on one hand and bearing a liquid crystal screen 9 on the other hand, a trapezoidal plate 2 is used for bearing a connecting wire 3, the connecting wire 3 is used for being connected to a power supply to supply power to the point light source 5, a protruding column 4 is used for being connected with other structures of a mobile phone, the point light source 5 is a conventional lamp and is used for providing an illuminating effect, the light guide plate 6 is used for converting light rays emitted by the point light source to a surface light source and uniformly outputting, the light guide plate 6 is made of conventional materials and can be purchased from the market, a guide groove 7 and a limiting angle plate 8 are used for guiding and limiting the position of the liquid crystal screen 9, so that the liquid crystal screen 9 can be conveniently and accurately aligned with the bin body 1, the liquid crystal screen 9 can be ensured to be accurately aligned with the bin body 1 only by inserting the liquid crystal screen 9 into the guide groove 7 and pressing the limiting angle plate 8, the liquid crystal screen 9 is a conventional L assembly which can be modularized and can be purchased from the market, the arrangement of the bin body 10 is convenient to maintain, when the liquid crystal screen 9 is separated from the bin body 1 and the bin body 1, the bin body 1 is separated from the bin body, the step portion, the liquid crystal screen 9 can be conveniently held by the step portion, the flexible board 10, and the mobile phone, the step portion can be grasped by.

Example 2

A novel mobile phone backlight source assembly is shown in figures 1-5 and comprises a bin body 1, trapezoidal plates 2, connecting wires 3, protruding columns 4, a point light source 5, a light guide plate 6, a guide groove 7, a limiting folded angle plate 8, a liquid crystal screen 9, a step part 10 and a flexible circuit board 11, wherein the trapezoidal plates 2 are fixedly connected to the side end of the bin body 1, the connecting wires 3 are fixedly connected to the side end of the trapezoidal plates 2, and the protruding columns 4 are fixedly connected to the lower end of the bin body 1 or the lower end of the trapezoidal plates 2; a plurality of point light sources 5 are fixedly connected inside the bin body 1, and a light guide plate 6 is arranged on the upper end surface of the bin body 1; the two sides of the upper end of the bin body 1 are respectively and fixedly connected with a guide groove 7, and the tail ends of the two sides of the upper end of the bin body 1 are respectively and fixedly connected with a limiting angle folding plate 8; the liquid crystal screen 9 is inserted between the two guide grooves 7, the front end of the liquid crystal screen 9 is pressed at the position of the limiting angle folding plate 8, the rear end of the liquid crystal screen 9 is provided with a step part 10, and the liquid crystal screen 9 is connected with a flexible circuit board 11. Wherein, the thickness of the step part 10 is smaller than that of the liquid crystal screen 9. The liquid crystal display panel further comprises a connecting sheet 12 and an arc-shaped steering part 13, wherein one end of the flexible circuit board 11 is electrically connected with the liquid crystal display 9, and the other end of the flexible circuit board 11 is provided with the connecting sheet 12; the flexible wiring board 11 has an arc-shaped turning portion 13. The lower end edge of the liquid crystal screen 9 is fixedly bonded with the upper end frame of the bin body 1, and a gap is reserved between the liquid crystal screen 9 and the light guide plate 6. The connecting wire 3 stretches into the storehouse body 1 inside, pointolite 5 and the 3 electric connection wires of connecting wire.

The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention, and is not intended to limit the present invention. Any modification, equivalent replacement, and improvement made within the scope of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. A novel mobile phone backlight source assembly is characterized by comprising a bin body (1), trapezoidal plates (2), connecting wires (3), protruding columns (4), a point light source (5), a light guide plate (6), guide grooves (7), limiting corner folding plates (8), a liquid crystal screen (9), step parts (10) and a flexible circuit board (11), wherein the trapezoidal plates (2) are fixedly connected to the side ends of the bin body (1), the connecting wires (3) are fixedly connected to the side ends of the trapezoidal plates (2), and the protruding columns (4) are fixedly connected to the lower ends of the bin body (1) or the lower ends of the trapezoidal plates (2); a plurality of point light sources (5) are fixedly connected inside the bin body (1), and the upper end surface of the bin body (1) is a light guide plate (6); the two sides of the upper end of the bin body (1) are respectively and fixedly connected with a guide groove (7), and the tail ends of the two sides of the upper end of the bin body (1) are respectively and fixedly connected with a limiting angle folding plate (8); the liquid crystal screen (9) is inserted between the two guide grooves (7), the front end of the liquid crystal screen (9) is pressed against the position of the limiting angle folding plate (8), the rear end of the liquid crystal screen (9) is provided with a step part (10), and the liquid crystal screen (9) is connected with a flexible circuit board (11).

2. A new handset backlight source assembly according to claim 1, wherein said step portion (10) has a thickness smaller than that of the liquid crystal panel (9).

3. A novel mobile phone backlight source assembly as claimed in claim 1, further comprising a connecting sheet (12) and an arc-shaped turning part (13), wherein one end of the flexible circuit board (11) is electrically connected with the liquid crystal panel (9), and the other end of the flexible circuit board (11) is the connecting sheet (12); the flexible circuit board (11) is provided with a section of arc-shaped turning part (13).

4. The novel mobile phone backlight source component according to claim 1, wherein the lower edge of the liquid crystal screen (9) is bonded and fixed with the upper edge frame of the bin body (1), and a gap is left between the liquid crystal screen (9) and the light guide plate (6).

5. The novel mobile phone backlight source assembly according to claim 1, wherein the connecting wire (3) extends into the bin body (1), and the point light source (5) is electrically connected with the connecting wire (3).

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