Camera module having extended support members for reduced power consumption

Patent metadata

Field	Value
Publication number	US-11223752-B2
Application number	US-201816499696-A
Country	US
Kind code	B2
Filing date	Apr 4, 2018
Priority date	Apr 6, 2017
Publication date	Jan 11, 2022
Grant date	Jan 11, 2022

Abstract

An embodiment comprises a housing, a bobbin disposed inside the housing, a first coil disposed on the bobbin, a first magnet disposed in the housing, an upper elastic member coupled to the bobbin and the housing, a circuit substrate disposed under the housing, a base which is disposed under the circuit substrate and includes a first hole, a conductive pattern disposed on the base and electrically connected to the circuit substrate, and a support member having one end coupled to the upper elastic member and the other end coupled to the conductive pattern, wherein the other end of the support member is coupled to the base through the first hole in the base.

First claim

The invention claimed is:

1. A lens moving apparatus comprising:
a housing;
a bobbin disposed in the housing;
a first coil disposed on the bobbin;
a first magnet disposed on the housing;
an upper elastic member coupled both to the bobbin and to the housing;
a circuit board disposed under the housing;
a base disposed under the circuit board and including a first hole;
a conductive pattern disposed on the base and conductively connected to the circuit board; and
a support member comprising one end coupled to the upper elastic member and a remaining end coupled to the conductive pattern,
wherein the remaining end of the support member is coupled to the base through the first hole in the base,
wherein the base includes a second hole spaced apart from the first hole, and
wherein the conductive pattern includes:
a first conductive pattern disposed on an upper surface of the base;
a second conductive pattern disposed on a lower surface of the base; and
a third conductive pattern disposed in the first hole or the second hole so as to connect the first conductive pattern to the second conductive pattern.

2. The lens moving apparatus according to claim 1 , wherein the second conductive pattern and the remaining end of the support member are coupled to each other via a solder.

3. The lens moving apparatus according to claim 1 , wherein the base includes a groove communicating with a lower portion of the first hole, and a portion of the conductive pattern is disposed in the groove.

4. The lens moving apparatus according to claim 1 , wherein the circuit board includes a pad coupled to the first conductive pattern.

5. A lens moving apparatus comprising:
a housing;
a bobbin disposed in the housing;
a first coil disposed on the bobbin;
a first magnet disposed on the housing;
an upper elastic member coupled both to the bobbin and to the housing;
a circuit board disposed under the housing;
a base disposed under the circuit board and including a first hole;
a conductive pattern disposed on the base and conductively connected to the circuit board;
a support member comprising one end coupled to the upper elastic member and a remaining end coupled to the conductive pattern; and
a damper disposed in the first hole of the base,
wherein the remaining end of the support member is coupled to the base through the first hole in the base.

6. The lens moving apparatus according to claim 1 , comprising:
a second coil disposed on the circuit board;
a second magnet disposed on the bobbin;
a first position sensor disposed on the housing so as to correspond to the second magnet; and
a second position sensor disposed on the base so as to correspond to the first magnet.

7. A lens moving apparatus comprising:
a housing;
a bobbin disposed in the housing;
a first coil disposed on the bobbin;
a first magnet disposed on the housing;
an upper elastic member coupled both to an upper portion of the bobbin and to an upper portion of the housing;
a first circuit board disposed on the housing;
a second circuit board disposed under the housing;
a second coil disposed on the second circuit board;
a base disposed under the second circuit board and comprising a first hole;
a conductive pattern comprising a first conductive pattern disposed on a lower surface of the base; and
a support member comprising one end coupled to the upper elastic member and a remaining end coupled to the first conductive pattern through the first hole,
wherein the first conductive pattern is conductively connected to the circuit board, and
wherein the conductive pattern comprises:
a second conductive pattern disposed on an upper surface of the base and conductively connected to the circuit board; and
a third conductive pattern disposed on an inner wall of the first hole so as to connect the first conductive pattern and the second conductive pattern.

8. The lens moving apparatus according to claim 7 , wherein the first hole is formed through upper and lower surfaces of the base.

9. The lens moving apparatus according to claim 7 , wherein the base comprises a second hole spaced apart from the first hole,
wherein the conductive pattern comprises:
a second conductive pattern disposed on an upper surface of the base and conductively connected to the circuit board; and
a third conductive pattern disposed on an inner wall of the second hole so as to connect the first conductive pattern and the second conductive pattern.

10. The lens moving apparatus according to claim 7 , wherein the first hole is disposed at a corner portion of the base.

Assignees

• Lg Innotek Co Ltd

Inventors

• Park Sang Ok
• Min Sang Jun
• Jung Tae Jin

Classifications

• H04N23/54 Primary

  Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils · CPC title

• H04N23/57

  Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices · CPC title

• H04N23/00

  Cameras or camera modules comprising electronic image sensors; Control thereof · CPC title

• H04N23/55

  Optical parts specially adapted for electronic image sensors; Mounting thereof · CPC title

• H04N23/687

  by shifting the lens or sensor position · CPC title