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US 11,727,890 B2Granted
Display devices supporting variable frames
AssigneeSamsung Electronics Co., Ltd.
InventorHak-Hun Choi
Life of this patent
Estimating the term…
Abstract
A display device including: a display panel which includes a plurality of pixels, and outputs image data in an active section of a frame, and does not output image data in a blank section of the frame; and a backlight unit configured to irradiate the display panel with light, wherein a length of the blank section is variable, and the backlight unit is configured to irradiate the display panel with strobe light at the active section, and is configured to irradiate the display panel with a first flat light at the blank section.
Claims20
A display device, comprising:
- a display panel which includes a plurality of pixels, and outputs image data in an active section of a frame, and does not output image data in a blank section of the frame;
- and
- a backlight unit configured to irradiate the display panel with light,
- wherein a length of the blank section is variable, and
- the backlight unit is configured to irradiate the display panel with strobe light at the active section, and is configured to irradiate the display panel with a first flat light at the blank section, wherein the first flat light is continuously turned on throughout the blank section and has a constant brightness in the blank section.
2 more elements
A display device, comprising:
- a display panel including a plurality of pixels;
- a backlight unit configured to irradiate the display panel with light;
- a data driver configured to provide a data signal to the display panel;
- a gate driver configured to provide a gate signal to the display panel;
- a backlight controller configured to control the backlight unit;
- and
- a processing unit configured to receive input data and variable frame synch signal and generate an internal control signal and an output data,
- wherein the backlight controller is configured to provide the backlight unit with a backlight unit signal having a first current level at an active section of a variable frame, and
- the backlight controller is configured to provide the backlight unit with a backlight unit signal having a second current level lower than the first c level at a variable blank section of the variable frame, wherein the second current level is constant throughout the variable blank section.
6 more elements
A display device, comprising:
- a display panel including a plurality of pixels;
- a backlight unit configured to irradiate the display panel with light;
- a data driver configured to provide a data signal to the display panel;
- a gate driver configured to provide a gate signal to the display panel;
- a backlight controller configured to control the backlight unit;
- and
- a processing unit configured to receive input data and a variable frame synch signal and generate an internal control signal and output data,
- wherein the backlight controller is configured to provide the backlight unit with a backlight unit signal having a first duty ratio at an active section of a variable frame, and
- the backlight controller is configured to provide the backlight unit with a backlight unit signal having a second duty ratio lower than the first duty ratio at a variable blank section of the variable frame, and
- wherein the backlight unit is configured to irradiate a flat light, which is continuously turned on throughout the blank section and has a constant brightness, at the variable blank section.
7 more elements
Dependencies are inferred from the claim text.