TWM633863U - In-display large-area optical fingerprint collection module and handheld device - Google Patents

Abstract

A large-area optical fingerprint collection module under the screen, which has: a soft board with a chip carrying area, a component carrying area, a first connection end and a second connection end; an optical sensor with an output end, the output end is electrically connected to the first connection end; a readout chip is arranged on the chip carrying area; at least one element is arranged on the element carrying area; and a connector is arranged on the second connection On the end; wherein, the under-screen large-area optical fingerprint collection module is used to be embedded in a grooved area of a middle board of a handheld device, and the middle board is located under a screen.

Description

Under-screen large-area optical fingerprint acquisition module and handheld device

This creation is about the optical fingerprint collection module, especially about a large-area optical fingerprint collection module that is conveniently integrated under the screen of a handheld device.

At present, the common fingerprint acquisition scheme of smart phones is to set a button-type fingerprint module in a small fixed area under the display area. The button-type fingerprint module can be a capacitive fingerprint module or one with a CMOS lens. Fingerprint module.

However, with the emergence of bezel-less smartphones, the front of the smartphone cannot provide a setting area for the push-button fingerprint module. The solution is to install a fingerprint collection and sensing device under the screen.

However, under the requirements of lightness, thinness and convenient assembly, how to install the fingerprint acquisition and sensing device under the screen is a big challenge.

Therefore, there is an urgent need in the art for a novel under-screen large-area optical fingerprint collection structure.

One purpose of this creation is to disclose a large-area optical fingerprint collection module under the screen, which can integrate the sensor, readout chip and connector into a module through a flexible board, and make the module embedded in a In the grooved area of a middle plate of the handheld device, the thickness of the handheld device can be effectively reduced and the assembly of the handheld device can be facilitated.

Another purpose of this creation is to disclose a handheld device, which can integrate the sensor, readout chip and connector into a module through a soft board, and make the module embedded in one of the middle boards of the handheld device In one of the grooved areas, the thickness of the handheld device can be effectively reduced and the assembly of the handheld device can be facilitated.

In order to achieve the aforementioned purpose, a large-area optical fingerprint collection module under the screen is proposed, which has: A flexible board has a chip carrying area, a component carrying area, a first connection end and a second connection end; an optical sensor with an output end electrically connected to the first connection end; A readout chip is arranged on the chip carrying area; at least one component is disposed on the component carrying area; and a connector disposed on the second connection end; Wherein, the under-screen large-area optical fingerprint collection module is used to be embedded in a grooved area of a middle board of a handheld device, and the middle board is located under a screen.

In one embodiment, the grooved area includes a first grooved area and a second grooved area, the first grooved area is used for accommodating the optical sensor, and the second grooved area is used for To accommodate the flexible board, the readout chip and the at least one element located on the flexible board.

In one embodiment, the connector is used to connect to a main board of the handheld device.

In one embodiment, the at least one component includes a power chip.

In possible embodiments, the handheld device can be a smart phone, a tablet computer or a notebook computer.

In order to achieve the aforementioned purpose, the present invention further proposes a handheld device, which has a main board, a middle board above the main board and a display screen above the middle board, the display screen has a fingerprint collection area, and the middle board An optical fingerprint collection module is accommodated, and the optical fingerprint collection module has: A flexible board has a chip carrying area, a component carrying area, a first connection end and a second connection end; an optical sensor with an output end electrically connected to the first connection end; A readout chip is arranged on the chip carrying area; at least one component is disposed on the component carrying area; and a connector disposed on the second connection end; Wherein, the optical fingerprint collection module is embedded in a grooved area of the middle plate.

In one embodiment, the grooved area includes a first grooved area and a second grooved area, the first grooved area is used to accommodate the optical sensor, and the second grooved area is used for To accommodate the flexible board, the readout chip and the at least one element located on the flexible board.

In one embodiment, the connector is connected to the motherboard.

In one embodiment, the at least one component includes a power chip.

In possible embodiments, the handheld device can be a smart phone, a tablet computer or a notebook computer.

In order to enable your review committee to further understand the structure, characteristics and purpose of the present invention, drawings and detailed descriptions of preferred specific embodiments are hereby attached.

Please refer to Figure 1, Figure 2 and Figure 3 together, wherein Figure 1 is a side view of an embodiment of the under-screen large-area optical fingerprint collection module of this invention; Figure 2 is used to accommodate the under-screen of Figure 1 A side view of a middle board in a handheld device of the large-area optical fingerprint collection module; and FIG. 3 is a top view of the under-screen large-area optical fingerprint collection module of FIG. 1 .

As shown in FIGS. 1 and 3 , an optical fingerprint collection module 100 has a flexible board 110 , a readout chip 111 , at least one component 112 , a connector 113 and an optical sensor 120 .

The flexible board 110 has a chip carrying area A, a component carrying area B, a first connecting terminal C and a second connecting terminal D;

The optical sensor 120 has an output end, and the output end is electrically connected to the first connection end C. As shown in FIG.

In addition, the readout chip 111 is disposed on the wafer carrying area A; the at least one element 112 is disposed on the element carrying area B; and the connector 113 is disposed on the second connection terminal D.

Specifically, as shown in FIG. 2, the optical fingerprint collection module 100 is used to be embedded in a grooved area 131 of a middle board 130 of a handheld device (not shown in the figure), and the middle board 130 is Located below a screen (not shown).

The grooved area 131 includes a first grooved area 131a and a second grooved area 131b, the first grooved area 131a is used to accommodate the optical sensor 120, and the second grooved area 131b is used to accommodate the soft The board 110 , the readout chip 111 and the at least one element 112 located on the flexible board 110 .

In addition, the connector 113 is used to connect to a main board (not shown in the figure) of the handheld device.

In addition, the at least one component 112 may include a power chip to provide power to the circuit on the flexible board 110 .

In addition, the handheld device can be a smart phone, a tablet computer or a notebook computer.

In addition, according to the above description, the invention further proposes a handheld device. Please refer to FIG. 4 , which is a schematic diagram of an embodiment of the handheld device of the present invention. As shown in FIG. 4 , a handheld device 200 has a display screen 210 and a middle panel 220 located below the display screen 210 , and the display screen 210 has a fingerprint collection area 211 .

The middle board 220 is located above a main board (not shown in the figure), and the middle board 220 is realized by the middle board 130 shown in FIG. 2 , and the middle board 220 houses an optical fingerprint collection module (not shown in the figure). ), which is realized by the optical fingerprint collection module 100 shown in FIG. The second connection end; an optical sensor, located below the fingerprint collection area 211 and having an output end, the output end is electrically connected to the first connection end; a readout chip, arranged on the chip carrying area; at least A component is set on the component carrying area; and a connector is set on the second connection end; wherein, the optical fingerprint collection module is embedded in a slotted area of the middle board.

In addition, the grooved area includes a first grooved area and a second grooved area, the first grooved area accommodates the optical sensor, the second grooved area accommodates the flexible board and is located on the flexible board. The readout chip and the at least one element on the board.

In addition, the connector is connected to the motherboard, and the at least one component includes a power chip.

In addition, the handheld device 200 can be a smart phone, a tablet computer or a notebook computer.

With the design disclosed above, this creation can provide the following effects:

(1) The under-screen large-area optical fingerprint collection module of this invention can integrate the sensor, readout chip and connector into a module through a soft board, and make the module embedded in one of the handheld devices In the grooved area of the middle plate, the thickness of the handheld device can be effectively reduced and the assembly of the handheld device can be facilitated.

(2) The handheld device of this invention can integrate the sensor, readout chip and connector into a module through a soft board, and make the module embedded in a grooved area of a middle board of the handheld device In this way, the thickness of the handheld device can be effectively reduced and the assembly of the handheld device can be facilitated.

What is disclosed in this case is a preferred embodiment. For example, any partial changes or modifications derived from the technical ideas of this case and easily deduced by those who are familiar with the technology are within the scope of the patent right of this case.

To sum up, this case, no matter the purpose, means or efficacy, shows that it is very different from the conventional technology, and its first creation is practical, and it does meet the requirements of a new patent. I urge your review committee to clearly understand and grant a patent as soon as possible to benefit the society. , is for the Most Prayer.

100:Optical fingerprint collection module 111: read chip 112: Element 113: connector 120: Optical sensor 130: middle plate 131: Grooving area 131a: The first groove area 131b: The second trenching area 200: handheld device 210: display screen 211:Fingerprint collection area 220: middle plate A: Wafer carrier area B: Component carrying area C: first connection end D: the second connection end

Fig. 1 is a side view of an embodiment of an under-screen large-area optical fingerprint collection module of the present invention. FIG. 2 is a side view of a middle board in a handheld device for accommodating the under-display large-area optical fingerprint collection module of FIG. 1 . FIG. 3 is a top view of the under-screen large-area optical fingerprint collection module in FIG. 1 . FIG. 4 is a schematic diagram of an embodiment of the handheld device of the present invention.

100:Optical fingerprint acquisition module

111: read chip

112: Element

113: connector

120: Optical sensor

A: Wafer carrier area

B: Component carrying area

C: first connection end

D: the second connection end

Claims (10)

A large-area optical fingerprint acquisition module under the screen, which has: A flexible board has a chip carrying area, a component carrying area, a first connection end and a second connection end; an optical sensor with an output end electrically connected to the first connection end; A readout chip is arranged on the chip carrying area; at least one component is disposed on the component carrying area; and a connector disposed on the second connection end; Wherein, the under-screen large-area optical fingerprint collection module is used to be embedded in a grooved area of a middle board of a handheld device, and the middle board is located under a screen. The under-screen large-area optical fingerprint collection module as described in item 1 of the scope of the patent application, wherein the grooved area includes a first grooved area and a second grooved area, and the first grooved area is used for The optical sensor is accommodated, and the second groove area is used to accommodate the flexible board, the readout chip and the at least one element on the flexible board. The under-screen large-area optical fingerprint collection module as described in item 1 of the scope of the patent application, wherein the connector is used to connect to a main board of the handheld device. The under-display large-area optical fingerprint collection module described in item 1 of the scope of the patent application, wherein the at least one component includes a power chip. The under-screen large-area optical fingerprint collection module described in item 1 of the scope of the patent application, wherein the handheld device is an electronic device selected from a group consisting of a smart phone, a tablet computer and a notebook computer . A handheld device, which has a main board, a middle board located above the main board, and a display screen located above the middle board, the display screen has a fingerprint collection area, and the middle board accommodates an optical fingerprint collection module, The optical fingerprint acquisition module has: A flexible board has a chip carrying area, a component carrying area, a first connection end and a second connection end; an optical sensor with an output end electrically connected to the first connection end; A readout chip is arranged on the chip carrying area; at least one component is disposed on the component carrying area; and a connector disposed on the second connection end; Wherein, the optical fingerprint collection module is embedded in a grooved area of the middle plate. The handheld device described in item 6 of the scope of the patent application, wherein the grooved area includes a first grooved area and a second grooved area, and the first grooved area is used to accommodate the optical sensor , the second groove area is used to accommodate the flexible board, the readout chip and the at least one element on the flexible board. The handheld device as described in item 6 of the scope of the patent application, wherein the connector is connected to the main board. In the handheld device described in claim 6 of the patent application, the at least one component includes a power chip. The handheld device described in item 6 of the scope of the patent application is an electronic device selected from a group consisting of a smart phone, a tablet computer and a notebook computer.

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