CN213750591U - Backlight module, display device and mobile terminal - Google Patents

Abstract

The application provides a backlight unit, including reflector plate, light guide plate, optics diaphragm and iron-clad, the reflector plate is connected on the first surface of light guide plate, and the optics diaphragm is connected on the second surface of light guide plate, all is equipped with the through-hole of making a video recording on reflector plate, light guide plate and the optics diaphragm, and the iron-clad is including leading to a light section of thick bamboo, leads to a light section of thick bamboo setting in the through-hole of making a video recording. The backlight module of this application can reduce backlight module's thickness, is favorable to realizing that the product is frivolous and lightweight, has strengthened the market competition of product. The application also relates to a display device and a mobile terminal.

Description

Backlight module, display device and mobile terminal

Technical Field

The application relates to the technical field of electronic equipment, in particular to a backlight module, a display device and a mobile terminal.

Background

With the development of digital technology, liquid crystal display products have been widely used in various layers of daily life, and the requirements of people on lightness, thinness and lightness of liquid crystal display devices have been gradually increased. The liquid crystal display device adopts a display panel and a backlight module structure, while the traditional backlight module consists of an iron frame, a reflecting sheet, a light guide plate, a diffusion sheet and a prism sheet, wherein the iron frame comprises a bottom plate and a side frame vertically connected with the bottom plate, the reflecting sheet, the light guide plate, the diffusion sheet and the prism sheet are sequentially superposed on the bottom plate, and the side frame is arranged around the circumference of the reflecting sheet, the light guide plate, the diffusion sheet and the prism sheet.

The iron frame is designed in a whole surface, and the thickness of the iron frame can reach 0.1-0.2 m, so that the whole weight of the liquid crystal display device is larger, the thickness of the liquid crystal display device is larger, and the thinning and the lightening of the liquid crystal display device are not facilitated.

The foregoing description is provided for general background information and is not admitted to be prior art.

SUMMERY OF THE UTILITY MODEL

An object of the application is to provide a backlight unit, display device and mobile terminal, can reduce backlight unit's thickness, be favorable to realizing that the product is frivolous and lightweight, has strengthened the market competition of product.

In order to solve the technical problem, the application provides a backlight unit, including reflector plate, light guide plate, optics diaphragm and iron-clad, the reflector plate is connected (preferably fixed connection) on the first surface of light guide plate, and the optics diaphragm is connected (preferably fixed connection) on the second surface of light guide plate, all is equipped with the through-hole of making a video recording on reflector plate, light guide plate and the optics diaphragm, and the iron-clad is including leading to a smooth section of thick bamboo, leads to a smooth section of thick bamboo setting in the through-hole of making a video recording.

Optionally, the iron shell further includes a positioning ring, optionally, the positioning ring is disposed around the circumference of the light-transmitting tube, optionally, an end of the light-transmitting tube is connected (preferably, fixedly connected) to the positioning ring, optionally, the positioning ring is connected (preferably, fixedly connected) to the light guide plate.

Optionally, the first surface of the light guide plate is concavely formed with a bearing concave platform, optionally, the bearing concave platform is disposed around the circumference of the camera through hole, and optionally, the positioning ring is connected (preferably, fixedly connected) on the bearing concave platform.

Optionally, the backlight module further comprises a rubber frame, optionally, the rubber frame is arranged around the reflector plate, the light guide plate and the optical film in the circumferential direction, and optionally, the camera shooting through hole is arranged close to a vertex angle of the rubber frame.

Optionally, the iron shell further includes an outer shell covering the vertex angle, optionally, a fixing hole is formed in the outer shell, optionally, an end portion of the light-transmitting tube is connected (preferably fixedly connected) in the fixing hole, optionally, the outer shell includes a bottom plate and a side plate, optionally, a side edge of the bottom plate is perpendicularly connected to the side plate, optionally, an accommodating area is formed between the bottom plate and the side plate, optionally, the reflector plate, the light guide plate, the optical membrane and the vertex angle of the rubber frame are located in the accommodating area, optionally, the fixing hole penetrates through the bottom plate.

Optionally, the iron shell further includes a frame, optionally, the frame covers one side of the rubber frame, optionally, one end of the frame is connected (preferably, fixedly connected) with the outer shell, and optionally, the other end of the frame extends toward the other vertex angle of the rubber frame.

Optionally, the frame includes a first flange and a second flange, optionally, the first flange and the second flange are connected to each other, optionally, the first flange is disposed on the outer wall of the rubber frame, and optionally, the second flange is disposed on the reflector plate.

Optionally, the iron shell further includes a frame, optionally, the frame is disposed around the circumference of the rubber frame, optionally, one end of the frame is connected (preferably, fixedly connected) to one side of the outer shell, and optionally, the other end of the frame is connected (preferably, fixedly connected) to the other side of the outer shell.

Optionally, the bezel includes a side frame and a bottom frame, optionally, the side frame and the bottom frame are connected to each other, optionally, the side frame is disposed on an outer wall of the glue frame, optionally, the bottom frame is disposed on the reflector plate.

The application still relates to a display device, including foretell backlight unit, the display screen sets up backlight unit is last, backlight unit includes two at least diaphragms and iron-clad, all be equipped with the through-hole of making a video recording on two at least diaphragms, the iron-clad is including leading to a light section of thick bamboo, it sets up to lead to a light section of thick bamboo in the through-hole of making a video recording.

Optionally, the plurality of films includes a reflective sheet, a light guide plate, and an optical film, optionally, the reflective sheet is connected (preferably fixedly connected) on a first surface of the light guide plate, optionally, the optical film is connected (preferably fixedly connected) on a second surface of the light guide plate, and optionally, the camera through hole penetrates through the reflective sheet, the light guide plate, and the optical film.

Optionally, the display screen includes a liquid crystal display panel, an upper polarizing plate and a lower polarizing plate, optionally, the upper polarizing plate is disposed on a light emitting surface of the liquid crystal display panel, optionally, the lower polarizing plate is disposed on a light incident surface of the liquid crystal display panel, optionally, a first light through hole is disposed on the upper polarizing plate, optionally, a second light through hole is disposed on the lower polarizing plate, and optionally, axes of the first light through hole, the second light through hole, and the camera through hole coincide.

Optionally, a first light-shielding ring is disposed in the second light-passing hole, optionally, the first light-shielding ring is disposed around an axis of the second light-passing hole, and optionally, an outer wall of the first light-shielding ring is connected (preferably, fixedly connected) to a hole wall of the second light-passing hole.

Optionally, a second light-shielding ring is disposed on the lower polarizing plate, optionally, the second light-shielding ring is disposed around an axis of the second light-passing hole, optionally, one side of the second light-shielding ring close to the outer ring is connected (preferably fixedly connected) to the lower polarizing plate, optionally, one side of the second light-shielding ring close to the inner ring is connected (preferably fixedly connected) to the first light-shielding ring, and optionally, the light-passing cylinder is located below the second light-shielding ring.

Optionally, the light-passing cylinder is provided with glue (preferably black glue) near the inner wall of the second light-shielding ring, optionally, the glue (preferably black glue) is provided around the axis of the camera through hole, and optionally, the glue (preferably black glue) is connected between the light-passing cylinder and the second light-shielding ring.

The application also provides a mobile terminal which comprises the backlight module or the display device.

Optionally, the iron casing of backlight unit of this application need not to set up the iron casing of whole face including setting up the logical light section of thick bamboo at the through-hole of making a video recording, has reduced backlight unit's weight, has reduced backlight unit's thickness simultaneously, is favorable to realizing that the product is frivolous and lightweight, has strengthened the market competition of product.

The foregoing description is only an overview of the technical solutions of the present application, and in order to make the technical means of the present application more clearly understood, the present application may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present application more clearly understood, the following preferred embodiments are described in detail with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application. In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic diagram of a hardware structure of a mobile terminal implementing various embodiments of the present application.

Fig. 2 is a schematic cross-sectional structure diagram of a display device according to a first embodiment of the present application.

Fig. 3 is a rear view schematic diagram of a display device according to a first embodiment of the present application.

Fig. 4 is a schematic perspective view of an iron case according to a first embodiment of the present application.

Fig. 5 is a schematic cross-sectional structure diagram of a display device according to a second embodiment of the present application.

Fig. 6 is a rear view structural diagram of a display device according to a second embodiment of the present application.

Fig. 7 is a rear view structural diagram of a display device according to a third embodiment of the present application.

Fig. 8 is a schematic rear view of a display device according to a fourth embodiment of the present application.

The implementation, functional features and advantages of the objectives of the present application will be further explained with reference to the accompanying drawings. With the above figures, there are shown specific embodiments of the present application, which will be described in more detail below. These drawings and written description are not intended to limit the scope of the inventive concepts in any manner, but rather to illustrate the inventive concepts to those skilled in the art by reference to specific embodiments.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the recitation of an element by the phrase "comprising an … …" does not exclude the presence of additional like elements in the process, method, article, or apparatus that comprises the element, and further, where similarly-named elements, features, or elements in different embodiments of the disclosure may have the same meaning, or may have different meanings, that particular meaning should be determined by their interpretation in the embodiment or further by context with the embodiment.

It should be understood that although the terms first, second, third, etc. may be used herein to describe various information, such information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope herein. The word "if" as used herein may be interpreted as "at … …" or "when … …" or "in response to a determination", depending on the context. Also, as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context indicates otherwise. It will be further understood that the terms "comprises," "comprising," "includes" and/or "including," when used in this specification, specify the presence of stated features, steps, operations, elements, components, items, species, and/or groups, but do not preclude the presence, or addition of one or more other features, steps, operations, elements, components, species, and/or groups thereof. The terms "or," "and/or," "including at least one of the following," and the like, as used herein, are to be construed as inclusive or mean any one or any combination. For example, "includes at least one of: A. b, C "means" any of the following: a; b; c; a and B; a and C; b and C; a and B and C ", again for example," A, B or C "or" A, B and/or C "means" any of the following: a; b; c; a and B; a and C; b and C; a and B and C'. An exception to this definition will occur only when a combination of elements, functions, steps or operations are inherently mutually exclusive in some way.

It should be understood that, although the steps in the flowcharts in the embodiments of the present application are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and may be performed in other orders unless explicitly stated herein. Moreover, at least some of the steps in the figures may include multiple sub-steps or multiple stages that are not necessarily performed at the same time, but may be performed at different times, in different orders, and may be performed alternately or at least partially with respect to other steps or sub-steps of other steps.

The words "if", as used herein, may be interpreted as "at … …" or "at … …" or "in response to a determination" or "in response to a detection", depending on the context. Similarly, the phrases "if determined" or "if detected (a stated condition or event)" may be interpreted as "when determined" or "in response to a determination" or "when detected (a stated condition or event)" or "in response to a detection (a stated condition or event)", depending on the context.

It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

In the following description, suffixes such as "module", "component", or "unit" used to denote elements are used only for the convenience of description of the present application, and have no specific meaning in themselves. Thus, "module", "component" or "unit" may be used mixedly.

The mobile terminal may be implemented in various forms. For example, the mobile terminal described in the present application may include mobile terminals such as a mobile phone, a tablet computer, a notebook computer, a palmtop computer, a Personal Digital Assistant (PDA), a Portable Media Player (PMP), a navigation device, a wearable device, a smart band, a pedometer, and the like, and fixed terminals such as a Digital TV, a desktop computer, and the like.

The following description will be given taking a mobile terminal as an example, and it will be understood by those skilled in the art that the configuration according to the embodiment of the present application can be applied to a fixed type terminal in addition to elements particularly used for mobile purposes.

Referring to fig. 1, which is a schematic diagram of a hardware structure of a mobile terminal for implementing various embodiments of the present application, the mobile terminal 100 may include: RF (Radio Frequency) unit 101, WiFi module 102, audio output unit 103, a/V (audio/video) input unit 104, sensor 105, display unit 106, user input unit 107, interface unit 108, memory 109, processor 110, and power supply 111. Those skilled in the art will appreciate that the mobile terminal architecture shown in fig. 1 is not intended to be limiting of mobile terminals, which may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components.

The following describes each component of the mobile terminal in detail with reference to fig. 1:

the radio frequency unit 101 may be configured to receive and transmit signals during information transmission and reception or during a call, and specifically, receive downlink information of a base station and then process the downlink information to the processor 110; in addition, the uplink data is transmitted to the base station. Typically, radio frequency unit 101 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. In addition, the radio frequency unit 101 can also communicate with a network and other devices through wireless communication. The wireless communication may use any communication standard or protocol, including but not limited to GSM (Global System for Mobile communications), GPRS (General Packet Radio Service), CDMA2000(Code Division Multiple Access 2000), WCDMA (Wideband Code Division Multiple Access), TD-SCDMA (Time Division-Synchronous Code Division Multiple Access), FDD-LTE (Frequency Division duplex Long Term Evolution), and TDD-LTE (Time Division duplex Long Term Evolution).

WiFi belongs to short-distance wireless transmission technology, and the mobile terminal can help a user to receive and send e-mails, browse webpages, access streaming media and the like through the WiFi module 102, and provides wireless broadband internet access for the user. Although fig. 1 shows the WiFi module 102, it is understood that it does not belong to the essential constitution of the mobile terminal, and may be omitted entirely as needed within the scope not changing the essence of the invention.

The audio output unit 103 may convert audio data received by the radio frequency unit 101 or the WiFi module 102 or stored in the memory 109 into an audio signal and output as sound when the mobile terminal 100 is in a call signal reception mode, a call mode, a recording mode, a voice recognition mode, a broadcast reception mode, or the like. Also, the audio output unit 103 may also provide audio output related to a specific function performed by the mobile terminal 100 (e.g., a call signal reception sound, a message reception sound, etc.). The audio output unit 103 may include a speaker, a buzzer, and the like.

The a/V input unit 104 is used to receive audio or video signals. The a/V input Unit 104 may include a Graphics Processing Unit (GPU) 1041 and a microphone 1042, the Graphics processor 1041 Processing image data of still pictures or video obtained by an image capturing device (e.g., a camera) in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display unit 106. The image frames processed by the graphic processor 1041 may be stored in the memory 109 (or other storage medium) or transmitted via the radio frequency unit 101 or the WiFi module 102. The microphone 1042 may receive sounds (audio data) via the microphone 1042 in a phone call mode, a recording mode, a voice recognition mode, or the like, and may be capable of processing such sounds into audio data. The processed audio (voice) data may be converted into a format output transmittable to a mobile communication base station via the radio frequency unit 101 in case of a phone call mode. The microphone 1042 may implement various types of noise cancellation (or suppression) algorithms to cancel (or suppress) noise or interference generated in the course of receiving and transmitting audio signals.

The mobile terminal 100 also includes at least one sensor 105, such as a light sensor, a motion sensor, and other sensors. Optionally, the light sensor includes an ambient light sensor that may adjust the brightness of the panel 1061 according to the brightness of ambient light, and a proximity sensor that may turn off the panel 1061 and/or a backlight when the mobile terminal 100 is moved to the ear. As one of the motion sensors, the accelerometer sensor can detect the magnitude of acceleration in each direction (generally, three axes), can detect the magnitude and direction of gravity when stationary, and can be used for applications of recognizing the posture of a mobile phone (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), vibration recognition related functions (such as pedometer and tapping), and the like; as for other sensors such as a fingerprint sensor, a pressure sensor, an iris sensor, a molecular sensor, a gyroscope, a barometer, a hygrometer, a thermometer, and an infrared sensor, which can be configured on the mobile phone, further description is omitted here.

The display unit 106 is used to display information input by a user or information provided to the user. The Display unit 106 may include a Display panel 1061, and the Display panel 1061 may be configured in the form of a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like.

The user input unit 107 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the mobile terminal. Alternatively, the user input unit 107 may include a touch panel 1071 and other input devices 1072. The touch panel 1071, also referred to as a touch screen, may collect a touch operation performed by a user on or near the touch panel 1071 (e.g., an operation performed by the user on or near the touch panel 1071 using a finger, a stylus, or any other suitable object or accessory), and drive a corresponding connection device according to a predetermined program. The touch panel 1071 may include two parts of a touch detection device and a touch controller. Optionally, the touch detection device detects a touch orientation of a user, detects a signal caused by a touch operation, and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 110, and can receive and execute commands sent by the processor 110. In addition, the touch panel 1071 may be implemented in various types, such as a resistive type, a capacitive type, an infrared ray, and a surface acoustic wave. In addition to the touch panel 1071, the user input unit 107 may include other input devices 1072. Optionally, other input devices 1072 may include, but are not limited to, one or more of a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and the like, and are not limited thereto.

Further, the touch panel 1071 may cover the display panel 1061, and when the touch panel 1071 detects a touch operation thereon or nearby, the touch panel 1071 transmits the touch operation to the processor 110 to determine the type of the touch event, and then the processor 110 provides a corresponding visual output on the panel 1061 according to the type of the touch event. Although the touch panel 1071 and the display panel 1061 are shown in fig. 1 as two separate components to implement the input and output functions of the mobile terminal, in some embodiments, the touch panel 1071 and the display panel 1061 may be integrated to implement the input and output functions of the mobile terminal, and is not limited herein.

The interface unit 108 serves as an interface through which at least one external device is connected to the mobile terminal 100. For example, the external device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. The interface unit 108 may be used to receive input (e.g., data information, power, etc.) from external devices and transmit the received input to one or more elements within the mobile terminal 100 or may be used to transmit data between the mobile terminal 100 and external devices.

The memory 109 may be used to store software programs as well as various data. The memory 109 may mainly include a program storage area and a data storage area, and optionally, the program storage area may store an operating system, an application program (such as a sound playing function, an image playing function, and the like) required by at least one function, and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. Further, the memory 109 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.

The processor 110 is a control center of the mobile terminal, connects various parts of the entire mobile terminal using various interfaces and lines, and performs various functions of the mobile terminal and processes data by operating or executing software programs and/or modules stored in the memory 109 and calling data stored in the memory 109, thereby performing overall monitoring of the mobile terminal. Processor 110 may include one or more processing units; preferably, the processor 110 may integrate an application processor and a modem processor, optionally, the application processor mainly handles operating systems, user interfaces, application programs, etc., and the modem processor mainly handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 110.

The mobile terminal 100 may further include a power supply 111 (e.g., a battery) for supplying power to various components, and preferably, the power supply 111 may be logically connected to the processor 110 via a power management system, so as to manage charging, discharging, and power consumption management functions via the power management system.

Although not shown in fig. 1, the mobile terminal 100 may further include a bluetooth module or the like, which is not described in detail herein.

Based on the above mobile terminal hardware structure, various embodiments of the present application are provided.

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In order to facilitate understanding of those skilled in the art, the present application provides a specific implementation process of the technical solution provided by the present application through the following embodiments.

First embodiment

Fig. 2 is a schematic cross-sectional structure diagram of a display device according to a first embodiment of the present application, and fig. 3 is a schematic rear-view structure diagram of the display device according to the first embodiment of the present application, as shown in fig. 2 and fig. 3, the display device includes a backlight module 10 and a display screen 20, and the display screen 20 is disposed on the backlight module 10. In the present embodiment, the display device is, for example, the mobile terminal 100, the tablet computer, the vehicle-mounted display, and the like, but not limited thereto.

Optionally, the backlight module 10 includes a plurality of films and an iron case 14, the plurality of films are each provided with a camera through hole 201, the iron case 14 includes a light-transmitting tube 141, and the light-transmitting tube 141 is disposed in the camera through hole 201.

Optionally, the plurality of films include a reflective sheet 11, a light guide plate 12 and an optical film 13, the reflective sheet 11 is fixedly connected to a first surface of the light guide plate 12, the optical film 13 is fixedly connected to a second surface of the light guide plate 12, and the reflective sheet 11, the light guide plate 12 and the optical film 13 are all provided with a camera through hole 201, that is, the camera through hole 201 penetrates through the reflective sheet 11, the light guide plate 12 and the optical film 13. In this embodiment, the first surface and the second surface are parallel and opposite to each other.

The utility model discloses an iron-clad 14 of backlight unit 10 need not to set up the whole iron-clad 14 (the BEZEL of metal material) of face including setting up the logical light section of thick bamboo 141 at through-hole 201 of making a video recording, has reduced backlight unit 10's weight, has reduced backlight unit 10's thickness simultaneously, is favorable to realizing the frivolous and lightweight of product, has strengthened the market competition of product.

Alternatively, fig. 4 is a schematic perspective view of an iron shell according to a first embodiment of the present disclosure, and as shown in fig. 2 and 4, the iron shell 14 further includes a positioning ring 142, the positioning ring 142 is disposed around a circumference of the light-transmitting cylinder 141, an end of the light-transmitting cylinder 141 is fixedly connected to the positioning ring 142, and the positioning ring 142 is fixedly connected to the light guide plate 12. In the present embodiment, the aperture of the imaging through hole 201 of the reflection sheet 11 is larger than the aperture of the imaging through hole 201 of the light guide plate 12, so that a part of the light guide plate 12 is exposed from the imaging through hole 201 of the reflection sheet 11, and the positioning ring 142 is fixed to the area of the light guide plate 12. Since the iron case 14 is composed of the light-transmitting cylinder 141 and the positioning ring 142, and the iron case 14 does not include a bottom plate covering the entire reflection sheet 11, the iron case 14 has a simple structure and a light weight, and is beneficial to realizing lightness and thinness of a product.

The first surface of the light guide plate 12 is concavely formed with a bearing concave stage 121, the bearing concave stage 121 is disposed around the circumference of the camera through hole 201, and the positioning ring 142 is fixedly connected to the bearing concave stage 121.

Optionally, the positioning ring 142 is fixedly connected to the bearing concave station 121 through the glue layer 122.

Optionally, the optical film 13 includes a brightness enhancement film and a diffuser sheet.

As shown in fig. 2 and 3, the backlight module 10 further includes a rubber frame 15, the rubber frame 15 is disposed around the circumference of the reflector 11, the light guide plate 12 and the optical film 13, and the camera through hole 201 is disposed near a vertex angle of the rubber frame 15. In this embodiment, the plastic frame 15 is rectangular, the reflective sheet 11, the light guide plate 12 and the optical film 13 are located inside the plastic frame 15, and the camera through hole 201 is located near the top right corner of the plastic frame 15.

Optionally, the display screen 20 includes a liquid crystal display panel 21, an upper polarizing plate 22 and a lower polarizing plate 23, the upper polarizing plate 22 is disposed on the light emitting surface of the liquid crystal display panel 21, the lower polarizing plate 23 is disposed on the light incident surface of the liquid crystal display panel 21, the upper polarizing plate 22 is provided with a first light through hole 202, the lower polarizing plate 23 is provided with a second light through hole 203, and axes of the first light through hole 202, the second light through hole 203 and the camera through hole 201 coincide with each other.

Optionally, a first light-shielding ring 24 is disposed in the second light-passing hole 203, the first light-shielding ring 24 is disposed around an axis of the second light-passing hole 203, and an outer wall of the first light-shielding ring 24 is fixedly connected to a hole wall of the second light-passing hole 203.

Optionally, a second light-shielding ring 25 is disposed on the lower polarizing plate 23, the second light-shielding ring 25 is disposed around the axis of the second light-passing hole 203, one side of the second light-shielding ring 25 close to the outer ring is fixedly connected to the lower polarizing plate 23, one side of the second light-shielding ring 25 close to the inner ring is fixedly connected to the first light-shielding ring 24, and the light-passing tube 141 is located below the first light-shielding ring 24 and the second light-shielding ring 25. In the present embodiment, the first light-shielding ring 24 and the second light-shielding ring 25 are used to place the backlight into the area of the image capturing through hole 201, so as to avoid affecting the image capturing effect.

The inner wall of the light-transmitting cylinder 141 close to the second light-shielding ring 25 is provided with a glue (preferably black glue) 26, the glue (preferably black glue) 26 is arranged around the axis of the camera through hole 201, and the glue (preferably black glue) 26 is connected between the light-transmitting cylinder 141 and the second light-shielding ring 25.

Optionally, the display device further includes a camera module (not shown) for shooting and recording, and a lens of the camera module is disposed corresponding to the camera through hole 201.

The liquid crystal display panel 21 includes a color film substrate, a liquid crystal layer, and an array substrate, the color film substrate is disposed opposite to the array substrate, and the liquid crystal layer is disposed between the color film substrate and the array substrate. The color film substrate comprises a first transparent base plate, and a color resistance layer and a black matrix which are arranged on the first transparent base plate, wherein the color resistance layer and the black matrix are arranged at intervals, and the color resistance layer comprises color resistance materials of three colors of red (R), green (G) and blue (B) and respectively and correspondingly forms pixels (sub-pixels) of the three colors of red, green and blue. The black matrix is arranged among the pixels of red, green and blue colors, so that the adjacent pixels are mutually spaced through the black matrix, or the pixels of the red, green and blue colors are sequentially spliced and arranged, and the black matrix covers the splicing position of the two adjacent pixels. The array substrate comprises a second transparent bottom plate and a circuit control layer arranged on the second transparent bottom plate, wherein the circuit control layer comprises a plurality of scanning lines and a plurality of data lines, and the plurality of scanning lines and the plurality of data lines are mutually crossed to limit and form a plurality of pixels SP (sub-pixels) arranged in an array. Each pixel is provided with a pixel electrode and a Thin Film Transistor (TFT) located near a position where a scan line and a data line cross. Each thin film transistor comprises a grid electrode, a source electrode and a drain electrode, wherein the grid electrode is electrically connected with the corresponding scanning line, the source electrode is electrically connected with the corresponding data line, and the drain electrode is electrically connected with the corresponding pixel electrode.

Second embodiment

Fig. 5 is a schematic cross-sectional structure view of a display device according to a second embodiment of the present application, fig. 6 is a schematic rear view of the display device according to the second embodiment of the present application, and as shown in fig. 5 and 6, the display device according to the present embodiment has substantially the same structure as the display device according to the first embodiment, except that the structure of the iron case 14 is different.

Optionally, as shown in fig. 5 and 6, the iron shell 14 further includes an outer shell 143 covering only one corner of the rubber frame 15, the outer shell 143 is provided with a fixing hole, and an end of the light-transmitting cylinder 141 is fixedly connected in the fixing hole. The iron shell 14 of the embodiment is only composed of the light-transmitting tube 141 and the outer shell 143, and the outer shell 143 only covers one vertex angle of the rubber frame 15 and the partial reflector plate 11, and the iron shell 14 (metal BEZEL) does not need to be arranged on the whole surface, so that the light weight and the light weight of the product are realized.

Alternatively, as shown in fig. 5, the housing 143 includes a bottom plate 1431 and a side plate 1432, a side edge of the bottom plate 1431 is vertically connected to the side plate 1432, an accommodating area is formed between the bottom plate 1431 and the side plate 1432, a top corner of the reflective sheet 11, the light guide plate 12, the optical film 13, and the adhesive frame 15 is located in the accommodating area, and the fixing hole penetrates through the bottom plate 1431. In this embodiment, the bottom plate 1431 covers the outer surface of the reflection sheet 11, and the end of the light-transmitting cylinder 141 is fixedly connected to the bottom plate 1431; the side plate 1432 is curved in an arc shape and is coated on the outer wall of the rubber frame 15.

Third embodiment

Fig. 7 is a schematic rear view of a display device according to a third embodiment of the present invention, and as shown in fig. 7, the display device of the present embodiment has substantially the same structure as the display device of the second embodiment, except that the structure of the iron case 14 is different.

Optionally, referring to fig. 5 and 7, the iron shell 14 further includes a frame 144, the frame 144 covers one side of the rubber frame 15, one end of the frame 144 is fixedly connected to the outer casing 143, and the other end of the frame 144 extends toward the other top corner of the rubber frame 15. The iron shell 14 of this embodiment only comprises a light-transmitting cylinder 141, an outer shell 143 and a frame 144, and the outer shell 143 only covers a vertex angle of the rubber frame 15 and the partial reflector plate 11, and the frame 144 only covers one side of the rubber frame 15, and the iron shell 14 (metal BEZEL) does not need to be provided on the whole surface, thereby realizing the lightness and thinness and the light weight of the product.

Optionally, the rim 144 is elongated.

Optionally, the bezel 144 includes a first flange (not shown) and a second flange 1442, the first flange and the second flange 1442 are connected perpendicularly to each other, the first flange is disposed on the outer wall of the rubber frame 15, and the second flange 1442 is disposed on the reflector 11. In this embodiment, the first flange is parallel to the side of the plastic frame 15, the second flange 1442 is parallel to the reflective sheet 11, and the frame 144 is wrapped around the top sides of the plastic frame 15 and the reflective sheet 11 by the first flange and the second flange 1442.

Fourth embodiment

Fig. 8 is a schematic rear view of a display device according to a fourth embodiment of the present invention, and as shown in fig. 8, the display device of the present embodiment has substantially the same structure as the display device of the second embodiment, except for the structure of the iron case 14.

Optionally, referring to fig. 5 and 8, the iron shell 14 further includes a frame 144, the frame 144 is disposed around the circumference of the rubber frame 15, one end of the frame 144 is fixedly connected to one side of the outer shell 143, and the other end of the frame 144 is fixedly connected to the other side of the outer shell 143. The iron shell 14 of the embodiment is only composed of the light-transmitting cylinder 141, the outer shell 143 and the frame 144, the outer shell 143 only covers one vertex angle of the rubber frame 15 and the partial reflector 11, the frame 144 only covers the peripheral side of the rubber frame 15, the whole iron shell 14 (metal BEZEL) is not required to be arranged, and the light weight and the lightness of the product are realized.

Optionally, the bezel 144 is substantially rectangular.

Alternatively, the bezel 144 includes a side frame (not shown) and a bottom frame 1444, the side frame and the bottom frame 1444 are perpendicularly connected to each other, the side frame is disposed on the outer wall of the adhesive frame 15, and the bottom frame 1444 is disposed on the reflective sheet 11. In the present embodiment, the shape of the side frame matches the shape of the adhesive frame 15, the bottom frame 1444 is parallel to the reflective sheet 11, and the reflective sheet 11 can be exposed from the area not covered by the bottom plate 1431.

The above description is only a preferred embodiment of the present application, and not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application, or which are directly or indirectly applied to other related technical fields, are included in the scope of the present application.

Claims (16)

1. The utility model provides a backlight module which characterized in that, includes reflector plate, light guide plate, optics diaphragm and iron-clad, the reflector plate is connected on the first surface of light guide plate, the optics diaphragm is connected on the second surface of light guide plate, the reflector plate the light guide plate with all be equipped with the through-hole of making a video recording on the optics diaphragm, the iron-clad is including leading to a light section of thick bamboo, it sets up to lead to a light section of thick bamboo in the through-hole of making a video recording.

2. The backlight module according to claim 1, wherein the iron case further comprises a positioning ring disposed around a circumference of the light-transmitting tube, an end of the light-transmitting tube is connected to the positioning ring, and the positioning ring is connected to the light guide plate.

3. The backlight module as claimed in claim 2, wherein the first surface of the light guide plate is recessed to form a loading recessed table, the loading recessed table is disposed around the circumference of the camera through hole, and the positioning ring is fixedly connected to the loading recessed table.

4. The backlight module according to any one of claims 1 to 3, further comprising a rubber frame disposed around the circumference of the reflector plate, the light guide plate and the optical film, wherein the camera through hole is disposed near a top corner of the rubber frame.

5. The backlight module of claim 4, wherein the iron case further comprises an outer case covering the top corner.

6. The backlight module as claimed in claim 5, wherein the iron case further comprises a frame, the frame covers one side of the rubber frame, one end of the frame is connected to the outer case, and the other end of the frame extends toward the other top corner of the rubber frame.

7. The backlight module as claimed in claim 6, wherein the bezel comprises a first flange and a second flange.

8. The backlight module as claimed in claim 5, wherein the iron case further comprises a bezel.

9. The backlight module as claimed in claim 8, wherein the bezel comprises a side frame and a bottom frame.

10. The display device is characterized by comprising a display screen and a backlight module, wherein the display screen is arranged on the backlight module, the backlight module comprises at least two diaphragms and an iron shell, the at least two diaphragms are provided with camera shooting through holes, the iron shell comprises a light through cylinder, the light through cylinder is arranged in the camera shooting through holes, and the at least two diaphragms comprise reflecting sheets, light guide plates and optical diaphragms.

11. The display device according to claim 10, wherein the reflective sheet is attached to a first surface of the light guide plate, the optical film is attached to a second surface of the light guide plate, and the imaging through hole penetrates the reflective sheet, the light guide plate, and the optical film.

12. The display device according to claim 11, wherein the display screen comprises a liquid crystal display panel, an upper polarizer and a lower polarizer, the upper polarizer is disposed on a light emitting surface of the liquid crystal display panel, the lower polarizer is disposed on a light incident surface of the liquid crystal display panel, a first light through hole is disposed on the upper polarizer, a second light through hole is disposed on the lower polarizer, and axes of the first light through hole, the second light through hole and the camera through hole coincide.

13. The display device according to claim 12, wherein a first light-shielding ring is provided in the second light-passing hole.

14. The display device as claimed in claim 13, wherein a second light-shielding ring is provided on the lower polarizing plate.

15. The display device as claimed in claim 14, wherein the light passing cylinder is provided with glue adjacent to an inner wall of the second light-shielding ring.

16. A mobile terminal, characterized in that it comprises a backlight module according to any one of claims 1 to 9 or a display device according to any one of claims 10 to 15.

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