CN220872849U - Backlight structure with light sensing element - Google Patents

Backlight structure with light sensing element Download PDF

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Publication number
CN220872849U
CN220872849U CN202322802707.1U CN202322802707U CN220872849U CN 220872849 U CN220872849 U CN 220872849U CN 202322802707 U CN202322802707 U CN 202322802707U CN 220872849 U CN220872849 U CN 220872849U
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China
Prior art keywords
backlight
sensing element
light sensing
light
display panel
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Active
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CN202322802707.1U
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Chinese (zh)
Inventor
邹建华
姚桂武
张涛涛
杨祖彪
郑海明
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Truly Opto Electronics Ltd
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Truly Opto Electronics Ltd
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Priority to CN202322802707.1U priority Critical patent/CN220872849U/en
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Abstract

The utility model discloses a backlight structure with a light sensing element, which comprises: the backlight module comprises a glue frame and an iron frame which are oppositely arranged, a display panel is arranged on one side, away from the iron frame, of the glue frame, a light sensing element is arranged on one side, facing the display panel, of the glue frame, a backlight FPC is arranged on the backlight module, and the light sensing element is communicated with the backlight FPC. The backlight structure is provided with a hole at the position where the light sensing element is arranged, and the position of the hole is provided with touch control and display functions so as to realize the effect of a full screen.

Description

Backlight structure with light sensing element
Technical Field
The present utility model relates to the field of backlight technology, and in particular, to a backlight structure with a light sensing element.
Background
With the development of science and technology and the progress of society, people have increasingly relied on the aspects of information exchange, information transmission and the like, and a display module is used as a main carrier and a material basis for information exchange and transmission, so that the display module is a hot spot for many scientists to study. With the application of the full screen, the problem of positioning the front camera, the ambient light sensor, the receiver and other photosensitive devices of the mobile phone is a difficult problem of the full screen design.
In the prior art, an opening is usually formed in a display panel area to solve the problem of the placement position of the light sensing element, however, due to the existence of the opening, the opening area or the slotting area cannot be displayed, and a full screen in a complete sense is not realized.
Disclosure of utility model
The utility model aims to overcome the defects in the prior art and provides a backlight structure with a light sensing element.
The aim of the utility model is realized by the following technical scheme:
A backlight structure with a light sensing element, comprising: the backlight module comprises a glue frame and an iron frame which are oppositely arranged, a display panel is arranged on one side, away from the iron frame, of the glue frame, a light sensing element is arranged on one side, facing the display panel, of the glue frame, a backlight FPC is arranged on the backlight module, and the light sensing element is communicated with the backlight FPC.
In one embodiment, the backlight module includes a first backlight source and a second backlight source, the first backlight source and the second backlight source are both located between the glue frame and the iron frame, the first backlight source is located at the lower side of the backlight module, the second backlight source is located at the upper side of the backlight module, and the light sensing element is located at one side of the second backlight source.
In one embodiment, the second backlight and the light sensing element are both soldered to the backlight FPC by SMT.
In one embodiment, the first backlight and the second backlight are each composed of a plurality of equidistantly distributed LED lamps.
In one embodiment, a plurality of LED lamps and the light sensing element of the second backlight source are respectively provided with a welding pin for communicating with the backlight FPC.
In one embodiment, the light sensing element is provided with a sensing layer, and the sensing layer is located on one side of the light sensing element facing the display panel.
In one embodiment, the glue frame has a receiving hole at a position corresponding to the light sensing element, and the sensing layer emits light into the display panel from the external environment through the receiving Kong Ganzhi.
In one embodiment, a unidirectional perspective film is arranged on one side of the light sensing element facing the display panel, and the unidirectional perspective film is used for reflecting light entering the light sensing element onto the display panel.
In one embodiment, a light guide plate is disposed between the glue frame and the iron frame, a reflecting sheet is disposed on one side of the light guide plate away from the display panel, an optical film is disposed on one side of the light guide plate facing the display panel, the first backlight source is disposed below the light guide plate, and the second backlight source is disposed above the light guide plate.
In one embodiment, the display panel includes an upper polarizer, a liquid crystal cell, and a lower polarizer sequentially disposed, and the liquid crystal cell includes an upper glass layer and a lower glass layer.
Compared with the prior art, the utility model has at least the following advantages:
According to the backlight structure with the light sensing element, the light sensing element is arranged on one side, facing the display panel, of the backlight module, the light sensing element and the second backlight source are mounted on the backlight FPC through SMT, the sensing layer is arranged on one side, facing the display panel, of the light sensing element, and the glue frame is provided with the accommodating hole relative to the position of the light sensing element, so that the sensing layer of the light sensing element is in direct contact with the display panel. The sensing layer can sense the position of finger touch and respond correspondingly, and the light sensing element transmits the light of the external environment of the accommodation Kong Ganzhi, so that the light sensing element area can be displayed or photographed, and the effect of full-screen display is realized.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present utility model, the drawings that are required to be used in the embodiments will be briefly described.
FIG. 1 is a schematic diagram of the overall structure of a backlight structure with a light sensing element according to the present utility model;
FIG. 2 is a schematic diagram of a front structure of a backlight structure with a light sensing element according to the present utility model;
FIG. 3 is an enlarged schematic view of portion A of FIG. 2;
FIG. 4 is a schematic diagram of a back structure of a backlight structure with a light sensing element according to the present utility model;
Fig. 5 is a schematic diagram of a stacked structure of light sensing elements in a backlight structure with light sensing elements according to the present utility model.
Description of the drawings: 10. a backlight module; 11. a rubber frame; 111. an accommodation hole; 12. an iron stand; 20. a display panel; 21. a polaroid is arranged on the upper surface of the substrate; 22. upper glass; 23. a lower layer of glass; 24. a lower polarizer; 30. a light guide plate; 40. a reflection sheet; 50. an optical film; 60. a first backlight; 70. a second backlight; 80. backlight FPC; 90. a light-sensitive element; 91. an induction layer; 100. welding pins; 110. a unidirectional perspective film; 120. black single-sided adhesive tape.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings.
Referring to fig. 1, a backlight structure with a light sensing element includes a backlight module 10, the backlight module 10 includes a glue frame 11 and an iron frame 12 which are oppositely arranged, a display panel 20 is arranged on one side of the glue frame 11 away from the iron frame 12, the backlight module 10 provides brightness for the display panel 20, and the brightness is injected into the display panel 20 to form display contents.
Referring to fig. 1, a light guide plate 30 is disposed between the glue frame 11 and the iron frame 12, the light guide plate 30 is disposed along the length direction of the glue frame 11 and the iron frame 12, a reflective sheet 40 is disposed on a side of the light guide plate 30 away from the display panel 20, and an optical film 50 is disposed on a side of the light guide plate 30 facing the display panel 20.
Referring to fig. 1 and 2, the backlight module 10 includes a first backlight 60 and a second backlight 70, the first backlight 60 is positioned below the light guide plate 30, and the second backlight 70 is positioned above the light guide plate 30. The first backlight 60 and the second backlight 70 both provide light for the display panel 20, and the first backlight 60 and the second backlight 70 are each composed of a plurality of LED lamps, which are equidistantly distributed. The light emitted from the first backlight 60 and the second backlight 70 enters the light guide plate 30 through the light incident surface at one side of the light guide plate 30, and is reflected and diffused by the reflective sheet 40 and the optical film 50 to be emitted from the light emitting surface of the light guide plate 30, so as to form a surface light source to be provided to the display panel 20.
Referring to fig. 1 and 2, a backlight FPC80 is bonded to the backlight module 10, and the backlight FPC80 is positioned under the first backlight 60.
Referring to fig. 2 and 3, the backlight module 10 is provided with a light sensing element 90, and the light sensing element 90 is soldered to the backlight FPC80 by SMT. The light sensing element 90 is located at one side of the second backlight 70, and a plurality of LED lamps in the second backlight 70 are also soldered to the backlight FPC80 by SMT.
Referring to fig. 4, a plurality of LED lamps and light sensing elements 90 in the second backlight 70 are respectively provided with a soldering pin 100, and the soldering pins 100 are used for communicating with the backlight FPC80 to ensure the normal operation of the second backlight 70 and the light sensing elements 90 when the backlight FPC80 is connected with the motherboard.
Referring to fig. 5, the light sensing element 90 is provided with a sensing layer 91, and the sensing layer 91 of the light sensing element 90 faces one side of the display panel 20. The glue frame 11 is provided with a receiving hole 111 at a position corresponding to the light sensing element 90, so that the sensing layer 91 of the light sensing element 90 is in direct contact with the display panel 20. The sensing layer 91 can sense the brightness of the external light to adjust the brightness of the display panel, and the light sensing element 90 senses the light of the external environment through the accommodating hole 111, so that the area of the light sensing element 90 can be displayed or photographed, thereby realizing the effect of full-screen display.
Referring to fig. 5, a unidirectional transparent film 110 is disposed on a side of the light sensing element 90 facing the display panel 20, and the unidirectional transparent film 110 can enable external light to enter the light sensing element 90, and when the display panel 20 displays normally, the unidirectional transparent film 110 has a certain light reflecting capability, and can reflect light rays injected into the accommodating hole 111 to increase the quantity of light rays on the display panel 20, thereby improving the brightness of the display panel 20.
Further, referring to fig. 2, a black single-sided tape 120 is attached to a side of the first backlight 60 facing the display panel 20, the black single-sided tape 120 is provided with one side with the tape and the other side without the tape, and the side with the tape of the black single-sided tape 120 is attached to the surface of the first backlight 60, and the side without the tape of the black single-sided tape 120 faces the display panel 20. The black single-sided tape 120 is used for preventing light in the backlight module 10 from leaking out of the edge of the display panel 20.
Referring to fig. 1, the display panel 20 includes an upper polarizer 21, a liquid crystal cell, and a lower polarizer 24 sequentially disposed, and the lower polarizer 24 is located at a side of the frame 11 away from the iron frame 12. The liquid crystal cell comprises an upper glass 22 and a lower glass 23, with a liquid crystal material disposed between the upper glass 22 and the lower glass 23.
The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the utility model, which are within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (10)

1. A backlight structure with a light sensing element, comprising: the backlight module (10), the backlight module (10) is including relative gluey frame (11) and iron stand (12) that set up, gluey frame (11) deviate from one side of iron stand (12) is provided with display panel (20), gluey frame (11) orientation one side of display panel (20) is provided with light sense component (90), be provided with backlight FPC (80) on the backlight module (10), light sense component (90) with backlight FPC (80) intercommunication.
2. A backlight structure with a light sensing element according to claim 1, characterized in that the backlight module (10) comprises a first backlight (60) and a second backlight (70), the first backlight (60) and the second backlight (70) being both located between the glue frame (11) and the iron frame (12), the first backlight (60) being located at the lower side of the backlight module (10), the second backlight (70) being located at the upper side of the backlight module (10), the light sensing element (90) being located at one side of the second backlight (70).
3. A backlight structure with light sensing element according to claim 2, characterized in that the second backlight (70) and the light sensing element (90) are both soldered to the backlight FPC (80) by SMT.
4. A backlight structure with light sensing elements according to claim 3, characterized in that the first backlight (60) and the second backlight (70) each consist of a plurality of equidistantly distributed LED lamps.
5. The backlight structure with a light sensing element according to claim 4, wherein a plurality of the LED lamps of the second backlight (70) and the light sensing element (90) are respectively provided with a soldering pin (100) for communicating with the backlight FPC (80).
6. A backlight structure with a light sensing element according to claim 5, characterized in that the light sensing element (90) is provided with a sensing layer (91), the sensing layer (91) being located at a side of the light sensing element (90) facing the display panel (20).
7. The backlight structure with the light sensing element according to claim 6, wherein the glue frame (11) is provided with a containing hole (111) at a position corresponding to the light sensing element (90), and the sensing layer (91) senses light rays emitted into the display panel (20) from the external environment through the containing hole (111).
8. A backlight structure with light sensing element according to claim 7, characterized in that the side of the light sensing element (90) facing the display panel (20) is provided with a unidirectional see-through film (110) for reflecting light entering into the light sensing element (90) onto the display panel (20).
9. The backlight structure with the light sensing element according to claim 2, wherein a light guide plate (30) is arranged between the adhesive frame (11) and the iron frame (12), a reflecting sheet (40) is arranged on one side, away from the display panel (20), of the light guide plate (30), an optical film (50) is arranged on one side, facing the display panel (20), of the light guide plate (30), the first backlight source (60) is located below the light guide plate (30), and the second backlight source (70) is located above the light guide plate (30).
10. A backlight structure with a light sensing element according to claim 1, wherein the display panel (20) comprises an upper polarizer (21), a liquid crystal cell and a lower polarizer (24) arranged in sequence, the liquid crystal cell comprising an upper glass (22) and a lower glass (23).
CN202322802707.1U 2023-10-18 2023-10-18 Backlight structure with light sensing element Active CN220872849U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322802707.1U CN220872849U (en) 2023-10-18 2023-10-18 Backlight structure with light sensing element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322802707.1U CN220872849U (en) 2023-10-18 2023-10-18 Backlight structure with light sensing element

Publications (1)

Publication Number Publication Date
CN220872849U true CN220872849U (en) 2024-04-30

Family

ID=90810543

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322802707.1U Active CN220872849U (en) 2023-10-18 2023-10-18 Backlight structure with light sensing element

Country Status (1)

Country Link
CN (1) CN220872849U (en)

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