# US 2016/0366390 A1 · Ultra high definition 3d conversion device and an ultra high definition 3d display system

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- Number: US 2016/0366390 A1
- Document ID: US20160366390A1
- Status: Published application
- Kind: A1
- Application number: 14/771,702
- Filed: 2014-09-29
- Published: 2016-12-15
- Earliest claimed: 2014-06-12
- Assignees: Boe Technology Group Co., Ltd.
- Applicants: Boe Technology Group Co., Ltd
- Inventors: Tadashi Nakai
- Web page: https://patentgrep.com/patent/US20160366390A1

## CPC

- H04N 13/139: Format conversion, e.g. of frame-rate or size
- H04N 7/015: High-definition television systems
- H04N 13/122: Improving the three-dimensional [3D] impression of stereoscopic images by modifying image signal contents, e.g. by filtering or adding monoscopic depth cues (H04N13/128 takes precedence)
- H04N 13/15: for colour aspects of image signals
- H04N 13/30: Image reproducers (optical systems for producing stereoscopic or other three-dimensional [3D] effects G02B30/00)
- H04N 13/31: using parallax barriers
- H04N 13/339: using spatial multiplexing (H04N13/337 takes precedence)
- H04N 13/359: Switching between monoscopic and stereoscopic modes
- H04N 13/398: Synchronisation thereof; Control thereof
- H04N 2213/007: Aspects relating to detection of stereoscopic image format, e.g. for adaptation to the display format
- H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION

## Abstract

The invention discloses an ultra high definition 3D conversion device and an ultra high definition 3D display system, which may convert the received full high definition video signal or ultra high definition video signal into a 3D signal corresponding to the type of 3D display after performing an image quality process, according to the type of 3D display chosen by a user. This may achieve the Active Shutter type, Film-type Patterned Retarder (FPR) type and naked-eye type of 3D display for the ultra high definition video signal.

## Claims

### Claim 1

An ultra high definition 3D conversion device, including:
a receiving module, for receiving an ultra high definition video signal, or receiving a full high definition video signal and converting the received full high definition video signal into an ultra high definition video signal;
an image quality processing module, for processing the image quality of the ultra high definition video signal received or converted by the receiving module;
a 3D signal processing module, for converting the ultra high definition video signal processed by the image quality processing module into a 3D signal corresponding to the type of 3D display, wherein the type of 3D display includes an Active Shutter type, a Film-type Patterned Retarder type and a naked-eye type; and
an output module, for sending the 3D signal to the control chip corresponding to the type of 3D display in the display screen.

### Claim 2 (depends on 1)

The ultra high definition 3D conversion device of claim 1, wherein the 3D signal processing module includes:
a 3D signal conversion circuit, for converting a 2D signal into a 3D signal and outputting the converted 3D signal when the ultra high definition video signal processed by the image quality processing module is the 2D signal; or outputting a 3D signal directly when the ultra high definition video signal processed by the image quality processing module is the 3D signal.

### Claim 3 (depends on 11)

The ultra high definition 3D conversion device of claim 11, wherein the output module includes:
a 3D signal output circuit, for sending at least one of the FPR 3D signal, the active shutter 3D signal and the naked-eye 3D signal to the respective clock controllers in the display screen after dividing at least one of the FPR 3D signal, the active shutter 3D signal and the naked-eye 3D signal into multipath;
an adjustment circuit for an active shutter glasses, for generating a control signal for controlling the switching of the left and right lens of the active shutter glasses according to the active shutter 3D signal, and then sending the control signal to the control chip of the active shutter glasses; and
an adjustment circuit for an grating barrier, for generating a control signal for adjusting the grating barrier to achieve 3D display according to the naked-eye 3D signal, and then sending the control signal to the control chip of the grating barrier.

### Claim 4 (depends on 1)

The ultra high definition 3D conversion device of claim 1, wherein the receiving module includes:
a receiving circuit for a full high definition video signal, for receiving the full high definition video signal transmitted from a digital television system on chip;
a frequency conversion circuit, for converting the full high definition video signal received by the receiving circuit for a full high definition video signal, into an ultra high definition video signal; and
a receiving circuit for an ultra high definition video signal, for receiving the ultra high definition video signal transmitted from an external input source.

### Claim 5 (depends on 4)

The ultra high definition 3D conversion device of claim 4, wherein the receiving module further includes:
a data register circuit, for receiving a full high definition video signal transmitted from an external Flash circuit; and
wherein the receiving circuit for a full high definition video signal is further used for receiving the full high definition video signal forwarded by the data register circuit.

### Claim 6 (depends on 1)

The ultra high definition 3D conversion device of claim 1, wherein the image quality processing module includes:
a format conversion circuit, for converting the ultra high definition video signal received or converted by the receiving module from a RGB signal into a YUV signal; and
a signal optimization circuit, for performing a edge enhancement and an image quality adjustment process on the YUV signal converted by the format conversion circuit, and then converting into a RGB signal.

### Claim 7 (depends on 6)

The ultra high definition 3D conversion device of claim 6, wherein the image quality processing module further includes:
an aspect ratio modulation circuit, for modulating the aspect ratio of the ultra high definition video signal received or converted by the receiving module according to the aspect ratio chosen by a user.

### Claim 8 (depends on 6)

The ultra high definition 3D conversion device of claim 6, wherein the image quality processing module includes:
a frequency doubling circuit, for doubling the frequency of the ultra high definition video signal received or converted by the receiving module from 60 Hz to 120 Hz.

### Claim 9 (depends on 1)

The ultra high definition 3D conversion device of claim 1, further includes: a backlight adjustment circuit, for generating a control signal for controlling the backlight module in the display screen, according to the ultra high definition video signal processed by the image quality processing module, and then sending the control signal to the control chip of the backlight module.

### Claim 10 (depends on 1)

An ultra high definition 3D display system, including:
a display device, which has a display screen, the ultra high definition 3D conversion device of claim 1, and a control chip, configured to control the display screen to perform the 3D display according to the 3D signal transmitted from the ultra high definition 3D conversion device, and
a video processing device, which has a digital television system on chip configured to send a full high definition video signal to the ultra high definition 3D conversion device.

### Claim 11 (depends on 2)

The ultra high definition 3D conversion device of claim 2, wherein the 3D signal processing module further includes at least one of:
a generation circuit for FPR 3D signals, for generating a FPR 3D signal according to the 3D signal output by the 3D signal conversion circuit to be viewed through a FPR glasses;
a generation circuit for active shutter 3D signals, for generating an active shutter 3D signal according to the 3D signal output by the 3D signal conversion circuit to be viewed through an active shutter glasses; and
a generation circuit for naked-eye 3D signals, for generating a naked-eye 3D signal according to the 3D signal output by the 3D signal conversion circuit to be viewed after the modulation by a grating barrier before the display screen.

### Claim 12 (depends on 11)

An ultra high definition 3D display system of claim 11, wherein the 3D signal processing module includes:
a 3D signal conversion circuit, for converting a 2D signal into a 3D signal and outputting the converted 3D signal when the ultra high definition video signal processed by the image quality processing module is the 2D signal; or outputting a 3D signal directly when the ultra high definition video signal processed by the image quality processing module is the 3D signal.

### Claim 13 (depends on 12)

The ultra high definition 3D display system of claim 12, wherein the 3D signal processing module further includes at least one of:
a generation circuit for FPR 3D signals, for generating a FPR 3D signal according to the 3D signal output by the 3D signal conversion circuit to be viewed through a FPR glasses;
a generation circuit for active shutter 3D signals, for generating an active shutter 3D signal according to the 3D signal output by the 3D signal conversion circuit to be viewed through an active shutter glasses; and
a generation circuit for naked-eye 3D signals, for generating a naked-eye 3D signal according to the 3D signal output by the 3D signal conversion circuit to be viewed after the modulation by a grating barrier before the display screen.

### Claim 14 (depends on 13)

The ultra high definition 3D display system of claim 13, wherein the output module includes:
a 3D signal output circuit, for sending at least one of the FPR 3D signal, the active shutter 3D signal and the naked-eye 3D signal to the respective clock controllers in the display screen after dividing at least one of the FPR 3D signal, the active shutter 3D signal and the naked-eye 3D signal into multipath;
an adjustment circuit for an active shutter glasses, for generating a control signal for controlling the switching of the left and right lens of the active shutter glasses according to the active shutter 3D signal, and then sending the control signal to the control chip of the active shutter glasses; and
an adjustment circuit for an grating barrier, for generating a control signal for adjusting the grating barrier to achieve 3D display according to the naked-eye 3D signal, and then sending the control signal to the control chip of the grating barrier.

### Claim 15 (depends on 11)

The ultra high definition 3D display system of claim 11, wherein the receiving module includes:
a receiving circuit for a full high definition video signal, for receiving the full high definition video signal transmitted from a digital television system on chip;
a frequency conversion circuit, for converting the full high definition video signal received by the receiving circuit for a full high definition video signal, into an ultra high definition video signal; and
a receiving circuit for an ultra high definition video signal, for receiving the ultra high definition video signal transmitted from an external input source.

### Claim 16 (depends on 15)

The ultra high definition 3D display system of claim 15, wherein
a data register circuit, for receiving a full high definition video signal transmitted from an external Flash circuit; and
wherein the receiving circuit for a full high definition video signal is further used for receiving the full high definition video signal forwarded by the data register circuit.

### Claim 17 (depends on 11)

The ultra high definition 3D display system of claim 11, wherein the image quality processing module includes:
a format conversion circuit, for converting the ultra high definition video signal received or converted by the receiving module from a RGB signal into a YUV signal; and
a signal optimization circuit, for performing a edge enhancement and an image quality adjustment process on the YUV signal converted by the format conversion circuit, and then converting into a RGB signal.

### Claim 18 (depends on 17)

The ultra high definition 3D display system of claim 17, wherein the image quality processing module further includes:
an aspect ratio modulation circuit, for modulating the aspect ratio of the ultra high definition video signal received or converted by the receiving module according to the aspect ratio chosen by a user.

### Claim 19 (depends on 17)

The ultra high definition 3D display system of claim 17, wherein the image quality processing module includes:
a frequency doubling circuit, for doubling the frequency of the ultra high definition video signal received or converted by the receiving module from 60 Hz to 120 Hz.

### Claim 20 (depends on 11)

The ultra high definition 3D display system of claim 11, further includes: a backlight adjustment circuit, for generating a control signal for controlling the backlight module in the display screen, according to the ultra high definition video signal processed by the image quality processing module, and then sending the control signal to the control chip of the backlight module.
