# US 2021/0341702 A1 · Lens, Active Light Emitting Module, and Terminal

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- Number: US 2021/0341702 A1
- Document ID: US20210341702A1
- Status: Published application
- Kind: A1
- Application number: 17/285,207
- Filed: 2019-10-12
- Published: 2021-11-04
- Earliest claimed: 2018-10-15
- Assignees: Huawei Technologies Co., Ltd.
- Applicants: Huawei Technologies Co., Ltd.
- Inventors: Yingyong He; Wei Tang; Bin Shi
- Web page: https://patentgrep.com/patent/US20210341702A1

## CPC

- G02B 7/02: for lenses {(supports for magnifying lenses G02B25/002)}
- G06F 21/32: using biometric data, e.g. fingerprints, iris scans or voiceprints
- G01S 17/89: for mapping or imaging
- G06F 1/1686: {the I/O peripheral being an integrated camera}
- G06F 3/013: {Eye tracking input arrangements (G06F3/015 takes precedence)}
- G06F 3/017: {Gesture based interaction, e.g. based on a set of recognized hand gestures (interaction based on gestures traced on a digitiser G06F3/04883)}
- H04M 1/026: {Details of the structure or mounting of specific components}
- H04M 1/0264: {for a camera module assembly}
- H05F 3/00: Carrying-off electrostatic charges ({from shoes A43B7/36}; from living beings A61N1/14; {from tyres B60C19/08; from vehicles B60R16/06; from aircraft B64D45/02; from large containers B65D90/46})
- G01B 11/254: {Projection of a pattern, viewing through a pattern, e.g. moiré}
- G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N)
- G01S: RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- H04M: TELEPHONIC COMMUNICATION (circuits for controlling other apparatus via a telephone cable and not involving telephone switching apparatus G08)
- H05F: STATIC ELECTRICITY; NATURALLY-OCCURRING ELECTRICITY
- G01B: MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS

## Abstract

The present invention provides a lens, an active light emitting module, and a terminal and relates to the field of electronic terminal device technologies, so as to protect a conductive layer on an optical element, and reduce a risk that the conductive layer is damaged by static electricity. The lens includes a lens tube and the optical element mounted in the lens tube. The lens tube has a top surface, and a conductive layer is disposed on a surface that is of the optical dement and that faces a side on which the top surface is located. The lens further includes: an antistatic structure disposed on the top surface, and an electrostatic conducting wire disposed in a tube wall or on an inner surface or an outer surface of the lens tube. One end of the electrostatic conducting wire is electrically connected to the antistatic structure, and the other end is grounded. The lens is mounted in the active light emitting module, and the active light emitting module is applied to the terminal, to assist the terminal in implementing a function such as 3D sensing.

## Claims

### Claim 1

A lens comprising:
a lens tube comprising:
a top surface;
a tube wall;
an inner surface; and
an outer surface;
an optical element mounted in the lens tube and comprising a first surface that faces the top surface;
a conductive layer disposed on the first surface;
an antistatic structure disposed on the top surface; and
an electrostatic conducting wire disposed inside the tube wall, on the inner surface, or on the outer surface, wherein the electrostatic conducting wire comprises:
a first end electrically coupled to the antistatic structure; and
a second end that is grounded.

### Claim 2 (depends on 1)

The lens of claim 1, wherein the antistatic structure comprises a frame-shaped conductive film electrically coupled to the electrostatic conducting wire, and wherein an orthographic projection of the frame-shaped conductive film on a plane defined by the optical element surrounds the conductive layer.

### Claim 3 (depends on 1)

The lens of claim 1, wherein the antistatic structure comprises an antistatic electrode electrically coupled to the electrostatic conducting wire.

### Claim 4 (depends on 1)

The lens of claim 1, wherein the conductive layer comprises a detection line comprising a third end and a fourth end, wherein the lens further comprises a first conducting wire and a second conducting wire that are disposed inside the tube wall, on the inner surface, or on the outer surface, wherein the first conducting wire couples the third end to an external positive terminal, wherein the second conducting wire couples the fourth end to an external negative terminal that is grounded, and wherein the electrostatic conducting wire and the second conducting wire are configured as a same conductive line.

### Claim 5 (depends on 4)

The lens of claim 4, further comprising a second electrode connection wire, wherein the second electrode connection wire comprises:
a fifth end electrically coupled to the antistatic structure; and
a sixth end electrically coupled to the second conducting wire.

### Claim 6 (depends on 5)

The lens of claim 5, wherein the second electrode connection wire and the second conducting wire are both disposed inside the tube wall, on the outer surface, or on the inner surface.

### Claim 7 (depends on 5)

The lens of claim 5, wherein a part of the antistatic structure is configured to couple to the second electrode connection wire and is located between a seventh end of the first conducting wire and an eighth end of the second conducting wire.

### Claim 8 (depends on 1)

The lens of claim 1, wherein a material of the lens tube is metal direct molding plastic, and wherein the antistatic structure is a conductive structure manufactured using a metal direct molding process.

### Claim 9 (depends on 1)

The lens of claim 1, wherein a first resistivity of the antistatic structure is less than a second resistivity of the conductive layer.

### Claim 10 (depends on 9)

The lens of claim 9, wherein a material of the antistatic structure is metal.

### Claim 11 (depends on 1)

The lens of claim 1, wherein an edge of an orthographic projection of a part of the antistatic structure on a plane defined by the optical element proximate to the optical element coincides with an edge proximate to the optical element in the top surface covered by the part of the antistatic structure.

### Claim 12 (depends on 1)

The lens of claim 1, further comprising a protective layer covering the antistatic structure.

### Claim at position 13

-16. (canceled)

### Claim 17 (depends on 1)

The lens of claim 1, wherein the antistatic structure comprises:
a first electrode connection wire; and
a plurality of antistatic electrodes, wherein the antistatic electrodes are electrically coupled to each other through the first electrode connection wire, and wherein one of the antistatic electrodes is electrically coupled to the electrostatic conducting wire.

### Claim 18 (depends on 1)

The lens of claim 1, wherein a material of the lens tube is metal direct molding plastic, and wherein the antistatic structure is a conductive coating manufactured using an electroplating process.

### Claim 19

An active light emitting system comprising:
a bottom substrate; and
a lens mounted on the bottom substrate, wherein the lens comprises:
a lens tube comprising:
a top surface;
a tube wall;
an inner surface; and
an outer surface;
an optical element mounted in the lens tube and comprising a first surface that faces the top surface;
a conductive layer disposed on the first surface;
an antistatic structure disposed on the top surface;
an electrostatic conducting wire disposed inside the tube wall, on the inner surface, or on the outer surface, wherein the electrostatic conducting wire comprises:
a first end electrically coupled to the antistatic structure; and
a second end; and
a ground terminal disposed on the bottom substrate and coupled to the second end.

### Claim 20 (depends on 19)

The active light emitting system of claim 19, wherein the antistatic structure comprises a frame-shaped conductive film electrically coupled to the electrostatic conducting wire, and wherein an orthographic projection of the frame-shaped conductive film on a plane defined by the optical element surrounds the conductive layer.

### Claim 21 (depends on 19)

The active light emitting system of claim 19, wherein the antistatic structure comprises an antistatic electrode electrically coupled to the electrostatic conducting wire.

### Claim 22 (depends on 19)

The active light emitting system of claim 19, wherein the antistatic structure comprises:
a first electrode connection wire; and
a plurality of antistatic electrodes, wherein the antistatic electrodes are electrically coupled to each other through the first electrode connection wire, and wherein one of the antistatic electrodes is electrically coupled to the electrostatic conducting wire.

### Claim 23 (depends on 19)

The active light emitting system of claim 19, wherein the conductive layer comprises a detection line comprising a third end and a fourth end, wherein the lens further comprises a first conducting wire and a second conducting wire that are disposed inside the tube wall, on the inner surface, or the outer surface, wherein the first conducting wire couples the third end to an external positive terminal, wherein the second conducting wire couples the fourth end to an external negative terminal that is grounded, and wherein the electrostatic conducting wire and the second conducting wire are configured as a same conductive line.

### Claim 24

A terminal comprising:
an active light emitting system comprising:
a bottom substrate; and
a lens mounted on the bottom substrate, wherein the lens comprises:
a lens tube comprising:
a top surface;
a tube wall;
an inner surface; and
an outer surface;
an optical element mounted in the lens tube and comprising a first surface that faces the top surface;
a conductive layer disposed on the first surface;
an antistatic structure disposed on the top surface;
an electrostatic conducting wire disposed inside the tube wall, on the inner surface, or on the outer surface, wherein the electrostatic conducting wire comprises:
a first end electrically coupled to the antistatic structure; and
a second end; and
a ground terminal disposed on the bottom substrate and coupled to the second end.