CN219575062U - Backlight source board for smart phone - Google Patents

Abstract

The utility model discloses a backlight source plate for a smart phone, which belongs to the technical field of mobile phone backlight sources and comprises a bottom frame plate and a plurality of LED direct light lamp beads arranged above the bottom frame plate, wherein an outer frame is fixedly bonded to the periphery of the bottom frame plate, the outer frame is in a shape of a Chinese character 'kou', a circle of LED auxiliary lamp beads are fixedly arranged on the inner side of the outer frame, a partition plate is fixedly bonded above the bottom frame plate, a plurality of mounting grooves are formed on the partition plate and correspond to the LED direct light lamp beads one by one, the LED direct light lamp beads are respectively limited to the inner side of the partition plate by the mounting grooves, and the LED direct light lamp beads are divided into a plurality of rows and a plurality of columns on the bottom frame plate. This smart mobile phone is with source board in a poor light through installing a plurality of LED direct lamp pearl on the bottom frame board, and keeps apart through the baffle between a plurality of LED direct lamp pearl for the condition that the screen homogeneity descends can not be caused through overlapping in the light that different LED direct lamp pearls sent.

Description

Backlight source board for smart phone

Technical Field

The utility model belongs to the technical field of mobile phone backlight sources, and particularly relates to a backlight source plate for a smart phone.

Background

The technical principle of the backlight source of the smart phone utilizes a side light-emitting LED to emit light with required brightness and color, converts a side light source into a formal surface light source through the action of a light guide plate, most light rays are refracted to the front, and the small light rays are reused after being reflected through the action of a reflecting film.

In carrying out the present utility model, the inventors have found that at least the following problems exist in this technology: however, most backlight beads on a backlight source board of a current smart phone do not have a structure of mutual isolation, so that backlights emitted between adjacent beads can overlap with each other, and uniformity of screen brightness is inconvenient to control.

Therefore, we propose a backlight source board for a smart phone to solve the above problems.

Disclosure of Invention

The utility model mainly aims to provide a backlight source plate for a smart phone, which can effectively solve the problems in the background technology by arranging a plurality of LED direct lighting lamp beads on a bottom frame plate and isolating the LED direct lighting lamp beads through a baffle plate, so that the light emitted by different LED direct lighting lamp beads can not be overlapped to cause the condition of reduced uniformity of a screen.

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

the utility model provides a smart mobile phone is with being shaded source board, includes bottom frame board and a plurality of LED direct lamp pearl of installing in bottom frame board top, the peripheral fixed bonding of bottom frame board has outer frame, wherein outer frame is the mouth font, the inboard fixed mounting of outer frame has round LED auxiliary lamp pearl, bottom frame board top still fixed bonding has the baffle, wherein be formed with a plurality of mounting groove on the baffle, just mounting groove and LED direct lamp pearl one-to-one, a plurality of the mounting groove is prescribe a limit to a plurality of LED direct lamp pearl in the baffle inboard respectively.

As a preferred embodiment, the plurality of LED direct-emission light beads are divided into a plurality of rows and a plurality of columns on the bottom frame plate, wherein the plurality of rows of LED direct-emission light beads or the plurality of columns of LED direct-emission light beads are distributed in a linear array along the horizontal direction; the LED direct lamp beads are orderly arranged on the bottom frame plate, and the LED direct lamp beads are favorable for emitting uniform backlight.

As a preferred implementation scheme, a plurality of LED auxiliary lamp beads are arranged in total, and the LED auxiliary lamp beads in the same row are distributed at equal intervals; the round of LED auxiliary lamp pearl plays the auxiliary role in a poor light to the smart mobile phone for the decay that is located the edge of smart mobile phone screen reduces, is favorable to promoting the intensity of being shaded at edge.

As a preferred embodiment, four vertical inner walls are arranged in each mounting groove, and the areas of the four vertical inner walls are the same; therefore, the LED direct-irradiation lamp beads have the same content of light irradiated to the four vertical inner walls when in operation, and the backlight brightness of the LED direct-irradiation lamp beads emitted upwards is more uniform.

As a preferred embodiment, a layer of brightness enhancement film is mounted on top of the bottom frame plate, wherein the brightness enhancement film is horizontally disposed; therefore, backlight emitted by the LED direct lamp beads and the LED auxiliary lamp beads is enhanced through the brightness enhancement film.

In summary, the technical effects and advantages of the present utility model are:

this smart mobile phone is with source board in a poor light through installing a plurality of LED direct shot lamp pearl on the bottom frame board, and keeps apart through the baffle between a plurality of LED direct shot lamp pearl for the condition that the light that different LED direct shot lamp pearls sent can not cause the screen homogeneity to descend through overlapping makes luminance more even.

Drawings

FIG. 1 is a schematic view of a part of the structure of the present utility model;

FIG. 2 is a schematic diagram of the overall structure of the present utility model;

fig. 3 is a vertical cross-sectional view of the present utility model.

In the figure: 1. an outer frame; 2. LED auxiliary lamp beads; 3. a bottom frame plate; 4. LED direct-lights; 5. a partition plate; 6. a mounting groove; 7. a vertical inner wall; 8. a brightness enhancement film.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-3, a backlight source board for a smart phone comprises a bottom frame plate 3 and a plurality of LED direct-injection beads 4 arranged above the bottom frame plate 3, wherein the LED direct-injection beads 4 are divided into a plurality of rows and a plurality of columns on the bottom frame plate 3, the LED direct-injection beads 4 or the LED direct-injection beads 4 in a plurality of rows are distributed in a linear array along a horizontal direction, the LED direct-injection beads 4 are orderly arranged on the bottom frame plate 3, a layer of brightness enhancement film 8 is arranged at the top of the bottom frame plate 3, and the brightness enhancement film 8 is horizontally arranged, so that the backlight emitted by the LED direct-injection beads 4 and the LED auxiliary beads 2 is enhanced through the brightness enhancement film 8;

the periphery of the bottom frame plate 3 is fixedly adhered with an outer frame 1, wherein the outer frame 1 is in a shape of a Chinese character 'kou', a circle of LED auxiliary lamp beads 2 are fixedly arranged on the inner side of the outer frame 1, a plurality of LED auxiliary lamp beads 2 are arranged in total, the LED auxiliary lamp beads 2 in the same row are distributed at equal intervals, and the circle of LED auxiliary lamp beads 2 plays an auxiliary role in backlight of the smart phone, so that the attenuation of the backlight at the edge of the screen of the smart phone is reduced, and the backlight intensity at the edge is improved;

the partition plate 5 is fixedly adhered to the upper portion of the bottom frame plate 3, a plurality of mounting grooves 6 are formed in the partition plate 5, the mounting grooves 6 correspond to the LED direct-light beads 4 one by one, namely the plurality of mounting grooves 6 limit the plurality of LED direct-light beads 4 to the inner side of the partition plate 5 respectively, the plurality of LED direct-light beads 4 can emit upward backlight when working, backlight between adjacent LED direct-light beads 4 cannot overlap, and accordingly uniformity of backlight is controlled, four vertical inner walls 7 are arranged in each mounting groove 6, areas of the four vertical inner walls 7 are the same, and accordingly light irradiated to the four vertical inner walls 7 when the LED direct-light beads 4 work is the same in content, and backlight brightness emitted upwards by the LED direct-light beads 4 is more uniform.

Working principle: when the intelligent mobile phone is installed, the backlight source plate for the intelligent mobile phone is fixed in the frame of the intelligent mobile phone through glue or screws, a plurality of LED direct-injection lamp beads 4 face the screen of the intelligent mobile phone, a brightness enhancement film 8 is parallel to the screen of the intelligent mobile phone, when the intelligent mobile phone needs backlight, a plurality of LED auxiliary lamp beads 2 and a plurality of LED direct-injection lamp beads 4 are driven to work simultaneously, the LED direct-injection lamp beads 4 work to directly irradiate backlight, the LED auxiliary lamp beads 2 supplement light at the edge of the screen, brightness attenuation at the edge of the screen is reduced, and finally backlight emitted by the LED auxiliary lamp beads 2 and the LED direct-injection lamp beads 4 can be enhanced through the brightness enhancement film 8, so that a proper brightness level is achieved.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (5)

1. The utility model provides a backlight source board for smart mobile phone, includes underframe board (3) and a plurality of LED that installs in underframe board (3) top penetrate lamp pearl (4), a serial communication port, the periphery of underframe board (3) is fixed to be bonded has outer frame (1), wherein outer frame (1) is the mouth font, the inboard fixed mounting of outer frame (1) has round LED auxiliary lamp pearl (2), underframe board (3) top still is fixed to be bonded has baffle (5), wherein be formed with a plurality of mounting groove (6) on baffle (5), just mounting groove (6) and LED penetrate lamp pearl (4) one-to-one, a plurality of mounting groove (6) are respectively prescribe a limit to a plurality of LED penetrate lamp pearl (4) in baffle (5) inboard.

2. A backlight source plate for a smart phone according to claim 1, wherein a plurality of the LED direct-emission light beads (4) are divided into a plurality of rows and a plurality of columns on the bottom frame plate (3), wherein the plurality of rows of the LED direct-emission light beads (4) or the plurality of columns of the LED direct-emission light beads (4) are all distributed in a linear array along a horizontal direction.

3. The backlight source plate for a smart phone according to claim 1, wherein a plurality of the LED auxiliary light beads (2) are arranged together, and the LED auxiliary light beads (2) in the same row are distributed at equal intervals.

4. The backlight source plate for a smart phone according to claim 1, wherein four vertical inner walls (7) are provided in each of the mounting grooves (6), and the areas of the four vertical inner walls (7) are the same.

5. A backlight source plate for a smart phone according to claim 1, wherein a layer of brightness enhancement film (8) is mounted on top of the bottom frame plate (3), and wherein the brightness enhancement film (8) is horizontally arranged.