US-20260129273-A1 - CAMERA DEVICE AND OPTICAL DEVICE

Abstract

Embodiments includes a stationary unit including a second circuit board and a coil disposed on the second circuit board, a moving unit including a holder, a magnet coupled to the holder, a first circuit board disposed on the holder, and an image sensor conductively connected to the first circuit board, and a support board disposed between the first circuit board and the second circuit board such that the moving unit is movable relative to the stationary unit, wherein the magnet is disposed between the first circuit board and the second circuit board.

Inventors

• Hyun Soo Kim

Assignees

• LG INNOTEK CO., LTD.

Dates

Publication Date

20260507

Application Date

20230703

Priority Date

20220713

Claims (10)

1. 1 . A camera device comprising: a stationary unit comprising a second circuit board and a coil disposed on the second circuit board; a moving unit comprising a holder, a magnet coupled to the holder, a first circuit board disposed on the holder, and an image sensor conductively connected to the first circuit board; and a support board disposed between the first circuit board and the second circuit board such that the moving unit is movable relative to the stationary unit, wherein the magnet is disposed between the first circuit board and the second circuit board.
2. 2 . The camera device according to claim 1 , wherein the image sensor is positioned higher than the magnet.
3. 3 . The camera device according to claim 1 , wherein the stationary unit comprises a heat dissipation member disposed between the image sensor and the second circuit board.
4. 4 . The camera device according to claim 1 , wherein the holder comprises a recess formed a lower surface thereof, and the magnet is disposed in the recess of the holder.
5. 5 . The camera device according to claim 1 , wherein the first circuit board comprise a terminal disposed on an upper surface thereof and conductively connected to the image sensor.
6. 6 . The camera device according to claim 1 , wherein a groove is formed in an upper surface of the holder, and the first circuit board is disposed in the recess of the holder.
7. 7 . The camera device according to claim 1 , wherein the moving unit comprise a third circuit board disposed on the first circuit board, and the image sensor is conductively connected to the third circuit board.
8. 8 . The camera device according to claim 7 , wherein the image sensor is disposed at an upper side of the first circuit board.
9. 9 . The camera device according to claim 7 , wherein a lower surface of the image sensor is positioned higher than an upper surface of the first circuit board.
10. 10 . The camera device according to claim 7 , wherein the third circuit board comprise an opening, wherein at least a portion of the image sensor is disposed in the opening of the third circuit board.

Description

TECHNICAL FIELD Embodiments relate to a camera device and an optical device including the same. BACKGROUND ART It is difficult to apply technology of a voice coil motor (VCM) used in existing general camera devices to a subminiature, low-power camera device, and therefore research related thereto has been actively conducted. Demand for and production of electronic products, such as smartphones and mobile phones equipped with cameras have increased. Cameras for mobile phones are trending toward increased resolution and miniaturization. As a result, an actuator has also been miniaturized, increased in diameter, and been made multifunctional. In order to realize a high-resolution camera for mobile phones, improvement in performance of the camera for mobile phones and additional functions thereof, such as autofocusing, hand shake correction, and zooming, are required. DISCLOSURE Technical Problem Embodiments provide a camera module and an optical device which are capable of reducing a distance between an image sensor and a lens barrel, reducing a length in the optical axis direction, and improving heat dissipation efficiency. Technical Solution A camera device according to an embodiment includes a stationary unit comprising a second circuit board and a coil disposed on the second circuit board; a moving unit comprising a holder, a magnet coupled to the holder, a first circuit board disposed on the holder, and an image sensor conductively connected to the first circuit board; and a support board disposed between the first circuit board and the second circuit board such that the moving unit is movable relative to the stationary unit, wherein the magnet is disposed between the first circuit board and the second circuit board. The image sensor may be positioned higher than the magnet. The stationary unit may include a first heat dissipation member disposed between the image sensor and the second circuit board. The holder may include a recess formed a lower surface thereof, and the magnet is disposed in the recess of the holder. The first circuit board may include a terminal disposed on an upper surface thereof and conductively connected to the image sensor. A groove may be formed in an upper surface of the holder, and the first circuit board may be disposed in the recess of the holder. The moving unit may include a third circuit board disposed on the first circuit board, and the image sensor may be conductively connected to the third circuit board. The image sensor may be disposed at an upper side of the first circuit board. A lower surface of the image sensor may be positioned higher than an upper surface of the first circuit board. The third circuit board may include an opening, at least a portion of the image sensor may be disposed in the opening of the third circuit board. The moving unit may include a second heat dissipation member disposed below the opening of the third circuit board, and the image sensor may be disposed on the second heat dissipation member. The stationary unit may include a housing that accommodates the moving unit and is coupled with the second circuit board, and the support board may be coupled with the housing and the holder. A portion of the support board may be connected to the first circuit board, and another portion of the support board may be connected to the second circuit board. A camera device according to another embodiment includes a stationary unit including a second circuit board, a coil disposed on the second circuit board, and a first heat dissipation member disposed on the second circuit board; a moving unit including a holder, a magnet disposed on the holder, a first circuit board disposed on an upper surface of the holder, a third circuit board including a first hole and disposed on the first circuit board, a second heat dissipation member disposed under the second circuit board, and an image sensor disposed on a part of the first heat dissipation member opened by the first hole; and a support board connected to the second circuit board and the first circuit board. The first heat dissipation member may include an upper plate and a side plate disposed between the upper plate and the second circuit board. The coil may include a plurality of coil units disposed on an upper surface of the second circuit board and spaced apart from each other, and the plurality of coil units may be disposed to surround the first heat dissipation member. The upper surface of the upper plate may be positioned higher than an upper surface of the coil. An upper surface of the upper plate may be positioned higher than an upper surface of the magnet. The first heat dissipation member may include a support plate connected to the side plate and coupled to the second circuit board, and a width of the support plate may be larger than a width of the side plate. The stationary unit may include a housing that accommodates the moving unit and is coupled to the second circuit board. A portion of the support