TW202141134A - Display device - Google Patents

Abstract

A display device including a backlight module, a display panel and at least one functional assembly is provided. The backlight module includes a light plate and at least one light emitting element. The light plate includes a substrate and at least one circuit, the light emitting element is disposed on the substrate, the circuit is disposed in the substrate, and an edge of the substrate has at least one electrical connection portion. The display panel is stacked on the substrate, and the light emitting element faces the display panel. The functional assembly is disposed on the substrate, and the circuit is connected between the functional assembly and the electrical connection portion.

Description

Display device

The present invention relates to a display device, and more particularly to a display device with a backlight module.

With the advancement of flat-panel display technology, flat-panel displays are widely used in consumer electronic products such as notebook computers, tablet computers, and smart phones. In the case of a notebook computer, the camera is generally located side by side with the display module above the display surface, and is electrically connected to the host through a cable. The cable must extend from the position of the camera to the back of the display module and extend to the host. . In this configuration, there must be enough space between the display module and the casing for the cable to pass through, which will increase the overall thickness of the device. In addition, the side-by-side arrangement of the camera and the display module as described above will increase the width of the frame around the display surface.

The invention provides a display device that can reduce the thickness of the body and the width of the frame.

The display device of the present invention includes a backlight module, a display panel and at least one functional component. The backlight module includes a light board and at least one light-emitting element. The light board includes a substrate and at least one circuit. The light-emitting element is arranged on the substrate. The circuit is arranged in the substrate. An edge of the substrate has at least one electrical connection part. The display panel is stacked on the substrate, and the light-emitting element faces the display panel. The functional component is arranged on the substrate, and the circuit is connected between the functional component and the electrical connection part.

In an embodiment of the present invention, the above-mentioned functional components include at least one of an image capture device, a fill light, a speaker, and a microphone.

In an embodiment of the present invention, the above-mentioned display device includes a first body and a second body pivotally connected to each other, the backlight module, the display panel and the functional components are arranged in the first body, and the electrical connection part is electrically connected To the second body.

In an embodiment of the present invention, the above-mentioned first body has a pivotal end and a free end opposite, the pivotal end is pivotally connected to the second body, the electrical connection part is located at the pivotal end, and the functional components are located at the free end .

In an embodiment of the present invention, the above-mentioned light-emitting element is located between the functional component and the electrical connection part.

In an embodiment of the present invention, the other edge of the aforementioned substrate has a protruding portion, and the functional component is disposed on the protruding portion.

In an embodiment of the present invention, the aforementioned backlight module is a direct type backlight module.

In an embodiment of the present invention, the above-mentioned light-emitting element is a sub-millimeter light-emitting diode.

In an embodiment of the present invention, the above-mentioned display device includes a display control board, wherein the display control board is electrically connected to the display panel, and the display control board and the light board are independent of each other.

Based on the above, the present invention integrates the functional components on the light board of the backlight module, and performs electrical transmission of the functional components through the circuit and electrical connection parts of the light board itself. In this way, it is not necessary to arrange cables behind the display panel and the backlight module to connect the functional components, and the thickness of the body can be reduced. In addition, since the functional components are integrated in the backlight module as described above, instead of being side-by-side with the display panel and the backlight module, the width of the frame around the display panel and the backlight module can be reduced.

FIG. 1 is a schematic diagram of a display device according to an embodiment of the invention. FIG. 2 is a schematic diagram of some components of the display device of FIG. 1. Please refer to FIGS. 1 and 2, the display device 100 of this embodiment is, for example, a notebook computer and includes a first body 110, a second body 120, a display module 130 and a functional component 140. The first body 110 is, for example, a screen of a notebook computer, and the second body 120 is, for example, a host of the notebook computer. The functional component 140 is, for example, a camera or other types of image capturing devices, and the display module 130 and the functional component 140 are disposed in the housing 110 a of the first body 110. The first body 110 has a pivot end 110b and a free end 110c opposite to each other. The first body 110 is pivotally connected to the second body 120 via its pivot end 110b so that the first body 110 and the second body 120 can be opened and closed relatively . In other embodiments, the display device 100 may be other types of electronic devices, which is not limited in the present invention.

3 is a schematic side view of some components of the display device of FIG. 2. 4 is a schematic diagram of the backlight module and functional components of FIG. 2. Please refer to FIGS. 2 to 4, the display module 130 of this embodiment includes a backlight module 132 and a display panel 134. The backlight module 132 and the display panel 134 are fixed in the outer frame 130 a of the display module 130. The display surface 134a of the display panel 134 is exposed by the outer frame 130a and the housing 110a, so that the displayed image can be viewed by the user. In other embodiments, the backlight module 132 and the display panel 134 can be fixed in the housing 110a by other suitable methods and structures, and the invention is not limited thereto.

The backlight module 132 is, for example, a direct type backlight module and includes a light board 132a and a plurality of light emitting elements 132b. The light board 132a includes a substrate 132a1 and a circuit 132a2 disposed in the substrate 132a1. The light-emitting elements 132b are, for example, sub-millimeter light-emitting diodes (mini LEDs) and are arranged in an array on the substrate 132a1. An edge E1 of the substrate 132a1 has two electrical connection portions 132a3 and 132a4. The electrical connection portions 132a3 and 132a4 are, for example, flat wires and are used to electrically connect to the second body 120 (shown in FIG. 1). The display panel 134 is stacked on the substrate 132a1, and the light-emitting elements 132b face the display panel 134, and the display panel 134 can provide light required for displaying images. The invention does not limit the types of the backlight module 132 and its light-emitting elements 132b. In other embodiments, it may be other types of backlight sources.

The functional component 140 is disposed on the substrate 132a1. The circuit 132a2 in the substrate 132a1 is connected between the functional component 140 and the electrical connection portion 132a3, so that the functional component 140 can communicate with the second body 120 through the circuit 132a2 and the electrical connection portion 132a3. Signal transmission. In addition, the light board 132a and the light-emitting elements 132b on it can transmit signals to the second body 120 through the electrical connection portion 132a4.

As described above, in this embodiment, the functional component 140 is integrated on the light board 132a1 of the backlight module 132, and the electrical transmission of the functional component 140 is performed through the circuit 132a2 and the electrical connection 132a3 of the light board 132a1. Therefore, it is not necessary to arrange a flat cable behind the display module 130 to connect the functional components 140, so that the display module 130 can be leaned against the housing 110a as shown in FIG. 3, thereby reducing the thickness of the body. In addition, since the functional components 140 are integrated in the backlight module 132 as described above, instead of being side-by-side with the display module 130, the width of the frame around the display module 130 of the display device 100 can be reduced.

In detail, in this embodiment, an edge E2 of the substrate 132a1 has a protruding portion P (marked in FIG. 4), and the functional component 140 is disposed on the protruding portion P and located at the free end 110c of the first body 110 . The electrical connection portion 132a3 is located at the pivot end 110b of the first body 110 and is closer to the second body 120. The light-emitting elements 132b are located between the functional component 140 and the electrical connection portion 132a3. In addition, the display device 100 of this embodiment further includes a display control board 150 as shown in FIG. 2, and the display control board 150 is electrically connected to the display panel 134 and used to control the display panel 134. The display control board 150 has an electrical connection portion 150a, and the display control board 150 can transmit signals to the second body 120 through the electrical connection portion 150a. In this embodiment, the display control board 134 and the light board 132a are independent of each other rather than the same component. That is, the functional component 140 of this embodiment is integrated with the light board 132a of the backlight module 132 instead of the display control board 134 integrated with the display panel 134.

The present invention does not limit the types and quantities of functional components, which are illustrated below with examples. FIG. 5 is a schematic diagram of a backlight module and functional components according to another embodiment of the present invention. The difference between the embodiment shown in FIG. 5 and the embodiment shown in FIG. 4 is that a larger number of functional components 140, 140', 140" are integrated on the substrate 132a1 of the backlight module 132, and these functional components 140, 140' , 140" can transmit signals to the second body 120 through the circuit 132a2 and the electrical connection portion 132a3. In other embodiments, the substrate 132a1 may have a plurality of electrical connection portions to correspond to the plurality of functional components 140, 140', 140", respectively, and the present invention is not limited thereto. In addition, the functional components 140, 140', 140" It may include image capture-related components such as cameras, 3D lenses, and fill lights, and may include audio-related components such as speakers and microphones. In other embodiments, more and more different types of functional components can be integrated on the substrate 132a1 of the backlight module 132 as required.

In summary, the present invention integrates the functional components on the light board of the backlight module, and performs electrical transmission of the functional components through the circuit and electrical connection of the light board itself. In this way, it is not necessary to arrange cables behind the display panel and the backlight module to connect the functional components, and the thickness of the body can be reduced. In addition, since the functional components are integrated in the backlight module as described above, instead of being side-by-side with the display panel and the backlight module, the width of the frame around the display panel and the backlight module can be reduced.

100: display device 110: First Body 110a: shell 110b: pivot end 110c: free end 120: Second Body 130: display module 130a: Outer frame 132: Backlight module 132a: light board 132a1: substrate 132a2: line 132a3, 132a4, 150a: electrical connection part 132b: Light-emitting element 134: display panel 140, 140’, 140": functional components 150: display control panel E1, E2: Edge P: Projection

FIG. 1 is a schematic diagram of a display device according to an embodiment of the invention. FIG. 2 is a schematic diagram of some components of the display device of FIG. 1. 3 is a schematic side view of some components of the display device of FIG. 2. 4 is a schematic diagram of the backlight module and functional components of FIG. 2. FIG. 5 is a schematic diagram of a backlight module and functional components according to another embodiment of the present invention.

132: Backlight module

132a: light board

132a1: substrate

132a2: line

132a3, 132a4: electrical connection part

132b: Light-emitting element

140: functional components

E1, E2: Edge

P: Projection

Claims (9)

A display device includes: A backlight module includes a light board and at least one light-emitting element, wherein the light board includes a substrate and at least one circuit, the at least one light-emitting element is disposed on the substrate, the at least one circuit is disposed in the substrate, and the substrate An edge of has at least one electrical connection part; A display panel stacked on the substrate, wherein the at least one light-emitting element faces the display panel; and At least one functional component is disposed on the substrate, wherein the at least one circuit is connected between the at least one functional component and the at least one electrical connection part. The display device according to claim 1, wherein the at least one functional component includes at least one of an image capture device, a fill light, a speaker, and a microphone. The display device according to claim 1, wherein the display device includes a first body and a second body pivotally connected to each other, and the backlight module, the display panel and the at least one functional component are arranged in the first body, The electrical connection part is electrically connected to the second body. The display device according to claim 3, wherein the first body has a pivot end and a free end opposite to each other, the pivot end is pivotally connected to the second body, and the electrical connection part is located at the pivot end, The at least one functional component is located at the free end. The display device according to claim 1, wherein the at least one light-emitting element is located between the at least one functional component and the at least one electrical connection part. The display device according to claim 1, wherein the other edge of the substrate has a protruding portion, and the at least one functional component is disposed on the protruding portion. The display device according to claim 1, wherein the backlight module is a direct type backlight module. The display device according to claim 1, wherein the at least one light-emitting element is a sub-millimeter light-emitting diode. The display device according to claim 1, comprising a display control board, wherein the display control board is electrically connected to the display panel, and the display control board and the light board are independent of each other.

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