公开(公告)号：US20210266519A1

公开(公告)日：2021-08-26

申请号：US17254030

申请日：2019-06-20

Applicant: LG INNOTEK CO., LTD.

Inventor： Seong Ha JANG ,  Woong LEE ,  Chang Hyuck LEE

IPC: H04N13/271 ,  G06T3/40 ,  H04N5/225

Abstract: An image sensor according to an embodiment of the present invention includes: a pixel array in which a plurality of pixels are arrayed in a grid shape, and which converts reflection light signals reflected from an object into electrical signals; an image processor which converts the electrical signals to generate subframes, and extracts pieces of second depth information having a higher resolution than pieces of first depth information extracted from a plurality of the subframes; and a memory for storing the pieces of first depth information, wherein the reflection light signals are input to the pixel array through mutually different optical paths shifted in sub-pixel units of the pixel array, and the memory stores a plurality of the pieces of first depth information that correspond to the mutually different optical paths.

公开(公告)号：US20210383561A1

公开(公告)日：2021-12-09

申请号：US17278079

申请日：2019-09-20

Applicant: LG INNOTEK CO., LTD.

Inventor： Woong LEE ,  Seong Ha JANG ,  Chang Hyuck LEE

IPC: G06T7/55 ,  H04N5/225 ,  H04N5/33 ,  G06T1/00 ,  G01S17/894

Abstract: A camera module according to an embodiment of the present invention comprises: a light output portion for successively outputting a first output light signal and a second output light signal, which are emitted to an object, during a single period; a lens portion for concentrating a first input light signal and a second input light signal, which are reflected from the object, the lens portion comprising an infrared (IR) filter and at least one lens disposed on the IR filter; an image sensor for generating a first electric signal and a second electric signal from the first input light signal and the second input light signal, which have been concentrated by the lens portion; a tilting portion for shifting optical paths of the first input light signal and the second input light signal according to a predetermined rule; and an image control portion for acquiring depth information of the object by using the first electric signal and a phase difference between the first output light signal and the first input light signal, and acquiring a 2D image of the object by using the second electric signal.

公开(公告)号：US20210166408A1

公开(公告)日：2021-06-03

申请号：US17047268

申请日：2019-04-12

Applicant: LG INNOTEK CO., LTD.

Inventor： Eun Song KIM ,  Woong LEE ,  Chang Hyuck LEE

IPC: G06T7/55 ,  G02B7/00 ,  G02B5/20 ,  G01B11/22 ,  H04N13/254 ,  H04N5/225

Abstract: A camera module according to one embodiment of the present invention comprises: an illumination unit for outputting a signal of incident light irradiated to an object; a lens unit for collecting a signal of reflection light reflected from the object, an image sensor unit for generating an electric signal from a reflection light signal collected by the lens unit, a tilting unit for shifting an optical path of the reflection light signal, and an image control unit for extracting a depth map of the object by using a phase difference between the incident light signal with respect to a frame having shifted by the tilting unit and the reflection light signal received by the image sensor unit, wherein the lens unit is disposed on the image sensor unit and includes an infrared (IR) filter disposed on the image sensor unit and at least one lens disposed on the infrared filter, and the tilting unit controls tilt of the infrared filter.

公开(公告)号：US20220214432A1

公开(公告)日：2022-07-07

申请号：US17611841

申请日：2020-05-15

Applicant: LG INNOTEK CO., LTD.

Inventor： Woong LEE ,  Sung Ha JANG ,  Young Kil SONG

IPC: G01S7/481 ,  G02B7/00 ,  H02K41/035 ,  H04N5/225 ,  G01S17/894

Abstract: A camera module according to an embodiment of the present invention comprises: a light emitting unit for outputting an optical signal to an object; and a light receiving unit for receiving a reflected light obtained after the optical signal is reflected by the object, wherein the light receiving unit comprises: a sensor for receiving the reflected light; a filter for transmitting the reflected light in a specific wavelength band; a driving unit for tilting the filter; and a driving circuit for driving the driving unit, and the filter is sequentially tilted from a reference state, in which the filter is not tilted, to a first to a third tilted state in which the filter is tilted in different directions, so as to allow the sensor to receive the reflected light.

公开(公告)号：US20220094830A1

公开(公告)日：2022-03-24

申请号：US17420941

申请日：2020-01-06

Applicant: LG INNOTEK CO., LTD.

Inventor： Woong LEE ,  Chul KIM ,  Chang Hyuck LEE

IPC: H04N5/225 ,  H04N13/254

Abstract: A camera module according to the present embodiment comprises: a light-emitting unit for outputting light to an object; a filter allowing the light to pass therethrough; at least one sheet of lens disposed on the filter and condensing the light reflected from the object; a sensor including a plurality of pixels aligned in an array and generating an electrical signal from the light condensed by the lens; and a tilt unit for tilting the filter such that an optical path of the light having passed through the filter is repeatedly moved according to a predetermined rule, wherein the tilt unit includes: a tilting driver for generating an output signal synchronized with an exposure cycle of the sensor on the basis of a trigger signal input from the sensor; and a tilting actuator for tilting the filter diagonally by the output signal.