TWI651659B - Sensing module and electronic devices thereof - Google Patents

Abstract

The invention provides a sensing module for face recognition, which is used on an electronic device. The sensing module of the present invention comprises a cover and a sensing unit. The cover plate includes a first block, a second block and a third block. The sensing unit is disposed in the cover plate and includes a first sensing portion and a second sensing portion. The first sensing portion is fixed in the first block. The second sensing portion is fixed in the second block. The first sensing portion has a first sensing lens and a first sensing housing. The first block has a first opening. The first sensing housing is fixed in the first opening, so that a first light enters the first sensing lens from the first opening. The second sensing portion has a second sensing lens and a second sensing housing. The second block has a second opening. The second sensing housing is fixed in the second opening, so that a second light enters the second sensing lens from the second opening.

Description

Sensing module and electronic device thereof

The invention relates to a sensing module, in particular to a face recognition sensing module for an electronic device.

The function of smart phones is increasing with the needs of people. At present, smart phones have various unlocking or identity recognition methods, such as password, fingerprint recognition, iris recognition and so on. Recently, the function of face recognition has been added to make smart phones more secure in terms of security. The general face recognition sensing module is disposed above the front of the smart phone, close to the position of the original front lens and the speaker of the smart phone, so as to facilitate the user to perform face recognition. The trend of the borderless design of smart phones requires that the volume and width of the front lens, speaker and face recognition sensing module can be as small as possible. In addition, since the depth sensor of the face recognition module needs to be optically corrected, if it is displaced due to force or vibration, it cannot be accurately identified.

Therefore, there is a need for a face recognition sensing module that is modularized for easy installation on an electronic device.

In view of this, an object of the present invention is to provide a face recognition sensing module for use on an electronic device, such as a smart phone. The sensing module of the present invention mounts the depth sensing unit and the imaging unit and the light emitting unit on the same cover to form a modular structure. Also, reserve space on the cover To match the position of the original components of the electronic device (such as components such as speakers). In this way, the depth sensing unit for face recognition in the sensing module of the present invention can be directly corrected on the cover plate, avoiding the correction process after being installed inside the electronic device. Moreover, the sensing module of the present invention has the advantages of small size, small width, good durability, and easy combination with an electronic device.

To achieve the above objective, the present invention provides a sensing module for face recognition for use on an electronic device. The sensing module of the present invention comprises a cover and a sensing unit. The cover plate includes a first block, a second block and a third block. The sensing unit is disposed in the cover plate and includes a first sensing portion and a second sensing portion. The first sensing portion is fixed in the first block. The second sensing portion is fixed in the second block. The first sensing portion has a first sensing lens and a first sensing housing. The first block has a first opening. The first sensing housing is fixed in the first opening, so that a first light enters the first sensing lens from the first opening. The second sensing portion has a second sensing lens and a second sensing housing. The second block has a second opening. The second sensing housing is fixed in the second opening, so that a second light enters the second sensing lens from the second opening.

To achieve the above object, the present invention also provides an electronic device including the foregoing sensing module.

In summary, the sensing module of the present invention mounts the depth sensing unit and the imaging unit and the light unit on the same cover to form a modular structure. Also, a space is reserved on the cover to match the position of the original components of the electronic device, such as components such as speakers. In this way, the depth sensing unit for face recognition in the sensing module of the present invention can be directly corrected on the cover plate, avoiding the correction process after being installed inside the electronic device. Moreover, the sensing module of the present invention has the advantages of small size, small width, good durability, and easy combination with an electronic device.

100‧‧‧Sensing module

100A, 100B‧‧‧ semi-finished products

110‧‧‧ cover

111‧‧‧First block

111a‧‧‧First opening

111b‧‧‧ third opening

112‧‧‧Second block

112a‧‧‧Second opening

112b‧‧‧fourth opening

113‧‧‧ Third block

113a‧‧‧5th opening

120‧‧‧Sensor unit

121‧‧‧First Sensing Department

121a‧‧‧first sensing lens

121b‧‧‧First sensing housing

121c‧‧‧First sensing circuit board

122‧‧‧Second Sensing Department

122a‧‧‧Second sensing lens

122b‧‧‧Second sensing housing

122c‧‧‧Second sensing circuit board

122d‧‧‧Connected circuit board

131‧‧‧First connector

132‧‧‧Second connector

140‧‧‧Lighting unit

141‧‧‧Lighting elements

142‧‧‧Lighting element controller

150‧‧‧ camera unit

151‧‧‧Webcam

152‧‧‧ camera housing

153‧‧‧ Camera connector

154‧‧‧ Camera Control Board

200‧‧‧Electronic devices

210‧‧‧Touch panel

220‧‧‧ Horn

230‧‧‧ housing

1A is a perspective view of a sensing module of the present invention; FIG. 1B is a perspective view of another sensing angle of the sensing module of FIG. 1A.

2 is a schematic diagram of an electronic device having the sensing module of FIG. 1A.

FIG. 3A is a schematic exploded view of the sensing module of FIG. 1A; FIG. 3B is a schematic exploded view of the sensing module of FIG. 1A at another angle.

4A-4C are schematic diagrams showing the assembly process of the sensing module of FIG. 1A.

In the following, a sensing module according to a preferred embodiment of the present invention will be described with reference to the accompanying drawings, wherein like elements will be described with the same reference numerals.

1A, FIG. 1A, FIG. 2, FIG. 3A and FIG. 3B, FIG. 1A is a perspective view of the sensing module of the present invention; FIG. 1B is a perspective view of another sensing angle of the sensing module of FIG. 2 is a schematic diagram of an electronic device having the sensing module of FIG. 1A; FIG. 3A is an exploded view of the sensing module of FIG. 1A; and FIG. 3B is a schematic exploded view of the sensing module of FIG. 1A at another angle. As shown in FIG. 1A, FIG. 1B and FIG. 2, the sensing module 100 of the present invention is a face recognition sensing module. The sensing module 100 of the present invention can be disposed inside an electronic device 200. The foregoing electronic device 200 can be a mobile phone, a tablet computer or a laptop computer. As shown in FIG. 2, the electronic device 200 is exemplified by a mobile phone. The sensing module 100 is fixed inside the casing 230 of the electronic device 200 and located above the touch panel 210 of the electronic device 200 near the horn 220. When the user wants to use the face recognition function to turn on the electronic device 200, the user can use the sensing module 100 by lifting the electronic device 200 to face the sensing module 100 facing the user's face. Perform face recognition.

As shown in FIG. 1A , FIG. 1B , FIG. 3A and FIG. 3B , the sensing module 100 of the present invention includes a cover 110 and a sensing unit 120 . The cover plate 110 includes a first block 111, a second block 112, and a third block 113. The first block 111 and the second block 112 are arranged in line with the third block, that is, the direction of the long axis of the sensing module 100 of the present invention. The third block 113 is interposed between the first block 111 and the second block 112. The first block 111 is on the same plane as the second block 112. The plane of the third block 113 is lower than the plane of the first block 111 and the second block 112. In other words, the third block 113 is a recessed block of the cover plate 110, such as a rectangular recessed block. The cover plate 110 can be made of a material with high strength and deformation, such as metal or high-strength plastic, so that the sensing module 100 is not easily deformed by external force. In this manner, when the sensing module 100 is disposed inside the housing 230 of the electronic device 200, the speaker 220 or other components of the electronic device 200 can be placed in the third block 113 to enable the sensing. The module 100 can cooperate with the original structure of the electronic device 200 itself, and No extra volume will be added.

The sensing unit 120 is disposed in the cover plate 110 and includes a first sensing portion 121 and a second sensing portion 121 . The sensing unit 120 is a depth sensing unit (Depth Sensor) for recognizing a human face 3D image. The first sensing unit 121 and the second sensing unit 122 are two infrared sensing elements (IR Sensing Element). The first sensing portion 121 is fixed in the first block 111. The second sensing portion 121 is fixed in the second block 112. The first sensing unit 121 has a first sensing lens 121a, a first sensing housing 121b, and a first sensing circuit board 121c. The aforementioned first sensing lens 112a is fixed in the aforementioned first sensing housing 121b. The first block 111 has a first opening 111a. The first sensing housing 121b is fixed in the first opening 111a, so that a first light enters the first sensing lens 121a from the first opening 111a. The first sensing circuit board 121c is used to control the first sensing unit 121. The sensing circuit board 121c is connected to a first connector 131 to electrically connect the first sensing unit 121 to the electronic device 200 through the first connector 131. The second sensing portion 122 has a second sensing lens 122a, a second sensing housing 122b, and a second sensing circuit board 122c. The aforementioned second sensing lens 122a is fixed in the aforementioned second sensing housing 122b. The second block 112 has a second opening 112a. The second sensing housing 122b is fixed in the second opening 112a, so that a second light enters the second sensing lens 122a from the second opening 112a. The second sensing circuit board 122c is configured to control the second sensing portion 122. The sensing circuit board 122c is further connected to a second connector 132 such that the second sensing portion 122 is electrically connected to the electronic device 200 through the second connector 132. In this way, it can be ensured that the first sensing portion 121 of the sensing unit 120 and the second sensing portion 122 are on the same cover. The first sensing portion 121 and the second sensing portion 122 are respectively assembled in the first block 111 and the second block 112 of the cover 110, and can be directly corrected. When the sensing module 100 is mounted in the electronic device 200, the first sensing unit 121 and the second sensing unit 122 need not be corrected. At the same time, the first sensing portion 121 and the second sensing portion 122 are fixed on the same cover 110 to prevent the first sensing portion 121 and the second sensing portion 122 from being displaced due to the vibration. The aforementioned sensing unit 120 is disabled.

The sensing module 100 further includes an imaging unit 150 disposed on the first block 111. The aforementioned imaging unit is an RGB imaging unit. The camera unit 150 includes a camera 151. An imaging housing 152, a camera connector 153, and an imaging control panel 154. The first block 111 further has a third opening 111b. The imaging housing 152 is fixed in the third opening 111b, and the first third light enters the camera 151 through the third opening 111b. The aforementioned imaging control panel 154 is used to control the aforementioned imaging unit 150. The imaging connector 153 is connected to the imaging control board 154 and the electronic device 200, and the imaging unit 150 is connected to the electronic device 200. The camera unit 150 can be disposed to the left or the right of the first sensing unit 121.

The sensing module 100 further includes a light emitting unit 140 connected to the second sensing portion 122. The second sensing circuit board 122c of the second sensing portion 122 is connected to a connecting circuit board 122d. The light emitting unit 140 is disposed on the connecting board circuit board 122d. The light emitting unit 140 has a light emitting element 141 and a light emitting element controller 142. The light-emitting element 141 is an LED light-emitting element. The second block 112 further has a fourth opening 112b. The third block 113 has a fifth opening 113a. The light-emitting element 141 is disposed in the fourth opening 112b, and emits light emitted by the light-emitting element 141 from the fourth opening 112b. The light-emitting element controller 142 is disposed in the fifth opening 113a. At this time, the connection circuit board 122d extends from the second block 112 to the third block 113, so that the light-emitting element controller 142 corresponds to the fifth opening 113a of the third block 113. Therefore, the light-emitting element controller 142 and the light-emitting element 141 are arranged in a direction parallel to the long axis of the sensing module 100 to reduce the width of the sensing module 100. In addition, the manner in which the light-emitting element controller 142 is placed in the recessed third opening 113a of the third block 113 can lower the thickness and volume of the sensing module 100 while preserving the electronic device 200. The space required for the component (for example, the aforementioned speaker 220) makes the sensing module 100 of the present invention small in size and easily combined with the aforementioned electronic device 200.

The first sensing unit 121, the camera 151, the light-emitting element controller 142, the light-emitting element 141, and the second sensing unit 122 are arranged in a line on the cover plate 110, and are flattened in the first area. The block 111, the second block 112 and the straight line of the third block 113 are used to minimize the width of the sensing module 100 of the present invention.

In this manner, the sensing module 100 of the present invention fixes the sensing unit 120, the imaging unit 130, and the light emitting unit 140 on the same cover 110 to form a modular structure. When the sensing module 100 of the present invention is installed in the electronic device 200, an additional calibration process can be avoided and vibration can be avoided. The sensing unit 120, the imaging unit 130, and the light emitting unit 140 are displaced to be disabled. Moreover, the sensing module 100 of the present invention pre-retains the space required for the components of the electronic device 200 (for example, the speaker 220), so that the sensing module 100 can be easily combined with the original structure of the electronic device 200 without changing the electronic device. 200 structure or add extra volume.

Please refer to FIG. 4A to FIG. 4C , which are schematic diagrams showing the assembly process of the sensing module 100 shown in FIG. 1A . As shown in FIG. 4A, the light emitting unit 140 and the second sensing portion 122 are first assembled on the connecting circuit board 122d on which the second connector 144 has been assembled to form a half finished product 100A. Next, the semi-finished product 100A shown in FIG. 4A and the first sensing portion 121 are mounted in the cover plate 110. In this case, the first sensing housing 121b corresponds to the first opening 111a; the light emitting element controller 142 corresponds to the fifth opening 113a; the light emitting element 141 corresponds to the fourth opening 112b; The second sensing housing 122b corresponds to the aforementioned second opening 112a. The aforementioned first connector 131 and the aforementioned second connector 132 face outward to facilitate connection to the aforementioned electronic device 200. Then, the first sensing portion 121 and the second sensing portion 122 are corrected, and the cover plate 110 is bonded with the glue to form the semi-finished product 100B as shown in FIG. 4B. Finally, the aforementioned image pickup unit 150 is mounted in the semi-finished product 100B shown in Fig. 4B. The imaging housing 152 of the aforementioned imaging unit 150 corresponds to the aforementioned third opening 111b. The camera connector 153 of the aforementioned imaging unit 150 faces outward to facilitate connection with the aforementioned electronic device 200. Moreover, after the image capturing unit 150 is corrected, the glue is combined with the cover plate 110 to form the sensing module 100 of the present invention, as shown in FIG. 4C. At this time, the first sensing unit 121, the camera 151, the light-emitting element controller 142, the light-emitting element 141, and the second sensing unit 122 are arranged in a line on the cover plate 110, and are flattened in the foregoing. The straight line of the first block 111, the second block 112 and the third block 113 is such that the width of the sensing module 100 of the present invention is minimized.

In summary, the sensing module of the present invention mounts the depth sensing unit and the imaging unit and the light unit on the same cover to form a modular structure. Also, a space is reserved on the cover to match the position of the original components of the electronic device, such as components such as speakers. In this way, the depth sensing unit for face recognition in the sensing module of the present invention can be directly corrected on the cover plate, avoiding the correction process after being installed inside the electronic device. Moreover, the sensing module of the present invention has the advantages of small size, small width, good durability, and easy combination with an electronic device.

The above is intended to be illustrative only and not limiting. Any equivalent modifications or alterations to the spirit and scope of the invention are intended to be included in the scope of the appended claims.

Claims (8)

A sensing module includes: a cover plate, a first block, a second block, and a third block; a sensing unit is disposed in the cover plate, and includes a first sensing portion and a second sensing portion; the first sensing portion is fixed in the first block; the second sensing portion is fixed in the second block; wherein the first sensing portion has a first sense And the first sensing block; the first block has a first opening; the first sensing housing is fixed in the first opening, so that a first light is formed by the first opening Entering the first sensing lens; and the second sensing portion has a second sensing lens and a second sensing housing; the second block has a second opening; the second sensing housing Fixed in the second opening, a second light enters the second sensing lens from the second opening; and an image capturing unit; the camera unit is disposed on the first block; the camera unit has a a camera and an imaging housing; the first block further has a third opening A housing fixed to the image pickup in the third opening, so that a third opening by the aforementioned third light entering the camera. The sensing module of claim 1, wherein the first block, the second block, and the third block are arranged in a line; the third block is in the first block. Between the aforementioned second block. The sensing module of claim 2, wherein the plane of the third block is lower than the plane of the first block and the second block. The sensing module of claim 1, wherein the sensing unit is a depth sensing unit; and the first sensing portion and the second sensing portion are two infrared light sensing elements. The sensing module of claim 1, further comprising a light emitting unit connected to the second sensing portion. The sensing module of claim 5, wherein the second sensing portion has a second sensing circuit board; the second sensing circuit board is connected to a connecting board; The aforementioned connecting plate. The sensing module of claim 6, wherein the light emitting unit has a light emitting element and a light emitting element controller; the second block has a fourth opening; and the third block has a a fifth opening; the light emitting element is disposed in the fourth opening, and the light emitted by the light emitting element is emitted from the fourth opening; and the light emitting element controller is disposed in the fifth opening. An electronic device comprising the sensing module according to any one of claims 1 to 7.