TWI696016B - A display device and a terminal using the display device - Google Patents

Abstract

A display device includes a backlight module and a display module. The backlight module comprises a back plate, a light guide plate, an optical film and a fixing member. The back panel has a back panel opening. The light guide plate is disposed on the back plate and has a light guide plate opening corresponding to the back plate opening. The optical film is disposed on the light guide plate and has an optical film opening corresponding to the light guide plate opening. The fixing member includes a hollow column portion and a platform portion. The hollow column is located in the opening of the optical film, the opening of the light guide plate and the opening of the back plate, and the first end of the hollow column portion is fixed to the back plate. The platform portion is disposed at the second end of the hollow column portion and sandwiches the light guide plate and the optical film with the back plate. The display module is disposed on the backlight module.

Description

Display device and terminal using the same

The invention relates to a display device, in particular to a display device with a backlight hole structure and a terminal using the display device.

With the application and development of the full screen of mobile phones, it is necessary to make a through-hole structure on the backlight module of the mobile phone screen to place the camera of the mobile phone, and set a circular shading area around the position of the display module corresponding to the through-hole structure. Since the shading area is a non-display area, the size of the shading area actually determines the screen ratio of a full-screen mobile phone.

In the prior art, a through-hole structure of the backlight module is provided with a hollow structure for placing the camera, and a circular ring-shaped light-shielding tape is pasted on the upper surface of the backlight module to prevent the backlight module from facing the mobile phone camera Light leakage, however, this structure faces the problem of reducing the ineffective area and the shading area caused by the fixing member, which results in insufficient coverage area of the shading tape.

The invention proposes a through-hole structure of a backlight module to reduce the area of the light-shielding area of the through-hole structure and avoid peeling of the light-shielding tape and light leakage.

An embodiment of the present invention provides a display device, including: a backlight module, including: a backplane having a backplane opening; a light guide plate disposed on the backplane and having a light guide plate opening corresponding to the backplane opening; The optical film is disposed on the light guide plate and has an optical film opening corresponding to the light guide plate opening; and a fixing member including: a hollow column portion located in the optical film opening, the light guide plate opening and the back plate opening, and The first end of the hollow column portion is fixed to the back plate; and a platform portion is provided at the second end of the hollow column portion, and sandwiches the light guide plate and the optical film with the back plate; and display The module is arranged on the backlight module.

The display device according to an embodiment of the present invention, wherein the hollow column portion is a hollow cylinder and has a first outer diameter and a first inner diameter, the first outer diameter is smaller than the diameter of the opening of the light guide plate and the opening of the optical film The diameter is less than or equal to the diameter of the opening of the backplane.

The display device according to an embodiment of the present invention, wherein the platform portion is a ring and has a second outer diameter that is greater than the diameter of the light guide plate opening, the diameter of the optical film opening, and the back plate opening diameter of.

The display device according to the embodiment of the present invention, wherein the platform portion is a ring and has a second inner diameter, and the second inner diameter is equal to the first inner diameter.

According to the display device of the embodiment of the present invention, wherein the platform portion is a circular ring and has a second inner diameter, the second inner diameter is smaller than the first inner diameter.

According to the display device of the embodiment of the present invention, the hollow pillar portion is made of metal, and the back plate is made of metal. The hollow pillar portion and the back plate are fixedly connected by glue or welding.

According to the display device of the embodiment of the present invention, the hollow pillar portion is made of non-metallic material, and the hollow pillar portion and the back plate are fixedly connected by glue or welding.

The display device according to the embodiment of the present invention, wherein the outer wall of the hollow column portion is provided with a first thread, and the inner wall of the opening of the back plate is provided with a second thread, and the hollow column portion and the back plate pass through the The first thread is fixedly connected to the second thread.

The display device according to the embodiment of the present invention, wherein the hollow column portion and the platform portion are integrally formed.

An embodiment of the present invention further provides a terminal including the above-mentioned display device and a sensor, wherein at least part of the sensor is accommodated in the hollow column portion.

The terminal according to the embodiment of the present invention, wherein the sensor is a camera module, the camera module includes a lens group, a zoom mechanism and a photosensitive element, wherein at least part of the lens group and part of the zoom mechanism are accommodated in In the hollow column part.

1‧‧‧Terminal

10‧‧‧Display device

11‧‧‧Backboard

12‧‧‧Light guide plate

13‧‧‧Optical film

14‧‧‧Fixed parts

141‧‧‧ Hollow column

142‧‧‧ Platform Department

15‧‧‧Connection

16‧‧‧Camera module

161‧‧‧ lens group

162‧‧‧Zoom mechanism

163‧‧‧Photosensitive element

M1‧‧‧ First thread

M2‧‧‧Second thread

D ₁ ‧‧‧The first outer diameter

d ₁ ‧‧‧ First Internal Classic

D ₂ ‧‧‧ Second outer diameter

d ₂ ‧‧‧Second Internal Classic

d ₃ ‧‧‧Inner diameter of back plate opening

d ₄ ‧‧‧Light guide plate opening inner diameter

d ₅ ‧‧‧Inner diameter of optical film opening

A-A'‧‧‧Profile

In order to make the above and other objects, features, advantages and embodiments of the present invention more obvious and understandable, the drawings are described as follows:

FIG. 1 is a schematic top view of a terminal according to an embodiment of the present invention.

FIG. 2 is a schematic cross-sectional view taken along line AA′ of a display device according to the first embodiment of the invention.

3 is a schematic cross-sectional view taken along the line AA' of a display device according to a second embodiment of the invention.

FIG. 4 is a schematic cross-sectional view taken along line AA′ of a display device according to a third embodiment of the invention.

FIG. 5 is a schematic cross-sectional view taken along line AA′ of a display device according to a fourth embodiment of the invention.

In the following, various embodiments of the present invention will be disclosed with the accompanying drawings. For the sake of clarity, many practical details will be described together in the following description. However, it should be understood that these practical details should not be used to limit the present invention. That is to say, in some embodiments of the present invention, these actual details are unnecessary. In addition, in order to simplify the drawings, some conventional structures and elements will be shown in a simple schematic manner in the drawings.

In the drawings, the thickness of layers, films, panels, regions, etc., are exaggerated for clarity. Throughout the specification, the same reference numerals denote the same elements. It should be understood that when an element such as a layer, film, region, or substrate is referred to as being “on” or “connected to” another element, it can be directly on or connected to the other element, or Intermediate elements may also be present. In contrast, when an element is referred to as being "directly on" or "directly connected to" another element, there are no intervening elements present. As used in this article As such, "connected" may refer to physical and/or electrical connections. However, the electrical connection is that there are other elements between the two elements.

It should be understood that although the terms "first" and "second" etc. may be used herein to describe various elements, components, regions, layers and/or parts, these elements, components, regions, and/or parts should not be affected by Limitations of these terms. These terms are only used to distinguish one element, component, region, layer or section from another element, component, region, layer or section. Accordingly, the "first element", "component", "region", "layer", or "portion" discussed below may be referred to as the second element, component, region, layer, or section without departing from the teachings herein.

The terminology used herein is for the purpose of describing particular embodiments only and is not limiting. As used herein, unless the content clearly indicates, the singular forms "a", "an", and "the" are intended to include the plural forms, including "at least one." "Or" means "and/or". As used herein, the term "and/or" includes any and all combinations of one or more of the listed items. It should also be understood that when used in this specification, the terms "comprising" and/or "comprising" specify the described features, regions, wholes, steps, operations, presence of elements and/or components, but do not exclude one or more The presence or addition of other features, regions as a whole, steps, operations, elements, components, and/or combinations thereof.

In addition, relative terms such as "lower" or "bottom" and "upper" or "top" may be used herein to describe the relationship between one element and another element, as shown. It should be understood that relative terms are intended to encompass different orientations of the device than those shown in the figures. For example, if a picture If the device is turned over, the element described as being on the "lower" side of the other element will be oriented on the "upper" side of the other element. Thus, the exemplary term "lower" may include "lower" and "upper" orientations, depending on the particular orientation of the drawings. Similarly, if the device in one drawing is turned over, elements described as “below” or “beneath” other elements would then be oriented “above” the other elements. Thus, the exemplary terms "below" or "below" can encompass both an orientation of above and below.

FIG. 1 is a schematic top view of a terminal according to an embodiment of the present invention. As shown in FIG. 1, the terminal 1 proposed by the present invention includes a display device 10. The display device 10 includes a backlight module and a display module, wherein the backlight module and the display module are overlapped, and the display module is provided on the backlight module. In order to clearly show the structure of the terminal 1, the backlight module and the display module are not shown in FIG. 1; the display device 10 has a through hole, the fixing member 14 passes through the through hole, and the camera module 16 is disposed in the central circular hole of the fixing member 14 Inside.

d₃。並在此實施例中，平臺部142為圓環形，具有第二外徑D₂，其中，為使平臺部142能與背板11共同夾持導光板12和光學膜13，D₂>d₃，D₂>d₄，D₂>d₅。固定件14可以為與背板11相同材料或不同材料。當背板11與固定件14皆為金屬材料，例如鋁、鐵、鋁鎂合金……等，此時固定件14可以與背板11焊接，連接部15為金屬焊料，或者固定件14也可以與背板11膠接，而連接部15為膠接材料；當背板11為金屬材料，而固定件14為非金屬材料例如PVC，此時固定件14可以與背板11膠接，連接部15為膠接材料；當背板11與固定件14皆為非金屬材料，也藉由熔接接合，此時連接部15為背板11與固定件14熔融成型；本發明並不以此為限。 FIG. 2 is a schematic cross-sectional view taken along line AA′ of a display device according to the first embodiment of the invention. As shown in FIG. 2, in the first embodiment of the present invention, the display device 10 includes a back plate 11, a light guide plate 12, an optical film 13 and a fixing member 14, wherein the back plate 11 has a back plate opening; the light guide plate 12 is disposed on the back The plate 11 has a light guide plate opening corresponding to the back plate opening; the optical film 13 is disposed on the light guide plate 12 and has an optical film opening corresponding to the light guide plate opening; wherein the inner diameter of the back plate opening is d ₃ , the guide The inner diameter of the opening of the light plate is d ₄ , and the inner diameter of the opening of the optical film is d ₅ ; the fixing member 14 includes a hollow column portion 141 and a platform portion 142, wherein the hollow column portion 141 passes through the optical film 13, the light guide plate 12 and the back plate 11 And in this embodiment, one end of the hollow column portion 141 is fixed to the back plate 11 by the connecting portion 15, and the platform portion 142 is provided at the other end of the hollow column portion 141 to jointly hold the light guide plate 12 and the optical with the back plate 11 Film 13; in this embodiment, the hollow column portion 141 is a hollow cylinder having a first outer diameter D ₁ and a first inner diameter d ₁ , wherein, in order to make the hollow column portion 141 easily pass through the light guide plate opening and the optical film opening and Fixed connection with the backplane opening, D ₁ <d ₄ , D ₁ <d ₅ , D ₁

d ₃ . And in this embodiment, the platform portion 142 has a circular ring shape and has a second outer diameter D _{2. In} order to enable the platform portion 142 to hold the light guide plate 12 and the optical film 13 together with the back plate 11, D ₂ > d ₃ , D ₂ >d ₄ , D ₂ >d ₅ . The fixing member 14 may be the same material as the back plate 11 or a different material. When the back plate 11 and the fixing member 14 are both metal materials, such as aluminum, iron, aluminum-magnesium alloy, etc., the fixing member 14 can be welded to the back plate 11 at this time, the connecting portion 15 is metal solder, or the fixing member 14 can also be The back plate 11 is glued, and the connecting portion 15 is a glued material; when the back plate 11 is a metal material, and the fixing member 14 is a non-metallic material such as PVC, then the fixing member 14 can be glued to the back plate 11, the connecting portion 15 is an adhesive material; when the back plate 11 and the fixing member 14 are both non-metallic materials, and are also joined by welding, then the connection portion 15 is the back plate 11 and the fixing member 14 melt-molded; the invention is not limited to this .

Please continue to refer to Figure 2. In this embodiment, one end of the hollow column portion 141 of the fixing member 14 connected to the back plate 11 protrudes from the back plate 11, so that the connecting portion 15 is easier to set up. However, in other embodiments, the hollow pillar portion 141 may also be retracted into the back plate 11 to make the appearance flat. At this time, the end of the hollow pillar portion 141 connected to the back plate 11 is preferably within the thickness of the back plate 11 To make the connection stable.

FIG. 3 is a schematic cross-sectional view taken along line AA′ of a display device according to a second embodiment of the invention. As shown in FIG. 3, the second inner diameter d2 of the platform portion 142 in this embodiment is smaller than the first inner diameter d _{1 of the} hollow column portion 141, that is, d ₁ >d ₂ , so that the platform portion 142 can protrude from the hollow column portion 141 The inner wall of the can limit the components installed in the hollow column in the future.

FIG. 4 is a schematic cross-sectional view taken along line AA′ of a display device according to a third embodiment of the invention. As shown in FIG. 4, a first thread M1 is provided in the back plate opening of the back plate 11, and a second thread M2 is provided on the outer wall of one end of the hollow column portion 141. The first thread M1 and the second thread M2 cooperate with each other to make the hollow column portion 141 is fixedly connected to the back plate 11 and forms a sandwich between the light guide plate 12 and the optical film 13 in cooperation with the platform portion 142.

Please continue to refer to Figure 4. In this embodiment, one end of the hollow column portion 141 of the fixing member 14 connected to the back plate 11 protrudes from the back plate 11, so that the first thread M1 and the second thread M2 can be reliably locked. However, in other embodiments, the hollow pillar portion 141 may also be retracted into the back plate 11 to make the appearance flat. At this time, the end of the hollow pillar portion 141 connected to the back plate 11 is preferably within the thickness of the back plate 11 To make the connection stable.

Please refer to FIG. 2, FIG. 3, and FIG. 4 again. As shown in FIGS. 2, 3, and 4, the hollow column portion 141 and the platform portion 142 may be integrally formed, for example, by stamping or precision casting or other processes It can also be formed separately and fixedly connected by glue, welding, welding or other methods, and the invention is not limited to this.

FIG. 5 is a schematic cross-sectional view taken along line AA′ of a display device according to a fourth embodiment of the invention. As shown in FIG. 5, the terminal 1 of the present invention uses a display device 10. The display device 10 has a through hole, a fixing member 14 passes through the through hole, and a sensor such as a camera module 16 is disposed in the fixing member 14. As shown in FIG. 5, at least a part of the camera module 16 is disposed in the fixing member 14, the camera module 16 includes a lens group 161, a zoom mechanism 162, and a photosensitive element 163, for example, a part of the lens group 161 and a part of the zoom mechanism 162 are accommodated in the hollow cylindrical portion 141, and the photosensitive element 163 is disposed outside the hollow cylindrical portion 141; or the imaging is arranged in other forms Module 16; other sensors of the terminal 1 may also be disposed in the fixing member 14, such as a distance sensor, etc. The present invention is not limited thereto.

Although the present invention has been disclosed as above with examples, it is not intended to limit the present invention. Any person with ordinary knowledge in the technical field can make some changes and modifications without departing from the spirit and scope of the present invention. The scope of protection of the present invention shall be subject to the scope defined in the appended patent application.

11‧‧‧Backboard

12‧‧‧Light guide plate

13‧‧‧Optical film

14‧‧‧Fixed parts

141‧‧‧ Hollow column

142‧‧‧ Platform Department

15‧‧‧Connection

D ₁ ‧‧‧The first outer diameter

d ₁ ‧‧‧ First Internal Classic

D ₂ ‧‧‧ Second outer diameter

d ₃ ‧‧‧Inner diameter of back plate opening

d ₄ ‧‧‧Light guide plate opening inner diameter

d ₅ ‧‧‧Inner diameter of optical film opening

Claims (11)

A display device includes: a backlight module, including: a backplane having a backplane opening; a light guide plate disposed on the backplane, having a light guide plate opening corresponding to the backplane opening; an optical film, provided On the light guide plate, there is an optical film opening corresponding to the light guide plate opening; and a fixing member, including: a hollow column portion located in the optical film opening, the light guide plate opening and the back plate opening, and the hollow column A first end of the portion is fixed to the back plate; and a platform portion, the platform portion is disposed at the second end of the hollow column portion, and sandwiches the light guide plate and the optical film with the back plate; and a display module Group, set on the backlight module. The display device as described in item 1 of the patent application range, wherein the hollow column portion is a hollow cylinder and has a first outer diameter and a first inner diameter, the first outer diameter is smaller than the diameter of the light guide plate opening and the optical The diameter of the membrane opening is less than or equal to the diameter of the back plate opening. The display device as described in item 1 of the patent application scope, wherein the platform portion is a ring and has a second outer diameter that is larger than the diameter of the light guide plate opening, the diameter of the optical film opening, and the back The diameter of the plate opening. The display device according to item 2 of the patent application scope, wherein the platform portion is a ring and has a second inner diameter, and the second inner diameter is equal to the first inner diameter. The display device as described in item 2 of the patent application scope, wherein the platform portion is a circular ring and has a second inner diameter, the second inner diameter being smaller than the first inner diameter. The display device according to item 1 of the patent application scope, wherein the hollow column portion is made of metal, and the back plate is made of metal, and the hollow column portion and the back plate are fixedly connected by glue or welding. The display device as described in item 1 of the patent application scope, wherein the hollow pillar portion is made of non-metallic material, and the hollow pillar portion and the back plate are fixedly connected by glue or welding. The display device as described in item 1 of the patent application scope, wherein the outer wall of the hollow column portion is provided with a first thread, and the inner wall of the opening of the back plate is provided with a second thread, the hollow column portion and the back plate are The first thread is fixedly connected to the second thread. The display device as described in item 1 of the patent application scope, wherein the hollow column portion and the platform portion are integrally formed. A terminal includes the display device as described in any one of patent applications 1 to 9 and a sensor, wherein at least part of the sensor is accommodated in the hollow column portion. The terminal as described in item 10 of the patent application scope, wherein the sensor is a camera module, and the camera module includes a lens group and a zoom mechanism And a photosensitive element, wherein at least part of the lens group and part of the zoom mechanism are accommodated in the hollow column portion.

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