Display Component Emitting Both Visible Spectrum and Infrared Spectrum Light

• US 20190068900A1
• Filed: 08/30/2017
• Published: 02/28/2019
• Est. Priority Date: 08/30/2017
• Status: Abandoned Application

• Current Assignee: Lenovo Singapore Pte Limited (Lenovo Group Ltd.)
• Original Assignee: Lenovo Singapore Pte Limited (Lenovo Group Ltd.)
• Inventors: Kapinos, Robert J., Kingsbury, Timothy W., VanBlon, Russell S.
• Application Number:
  US15/690,936
• Publication Number:
  US 20190068900A1
• Time in Patent Office: Days
• CPC Class Codes: G02F 1/133391 Constructional arrangement for sub-divided displays
• CPC Class Codes: G02F 1/133504 Diffusing, scattering, diffracting elements associated to illuminating devices G02F1/133606
• CPC Class Codes: G02F 1/133512 Light shielding layers, e.g. black matrix G02F1/136209 takes precedence
• CPC Class Codes: G02F 1/133603 with LEDs
• CPC Class Codes: G02F 1/133606 including a specially adapted diffusing, scattering or light controlling members
• CPC Class Codes: G02F 2203/11 involving infrared radiation
• CPC Class Codes: H04N 23/56 provided with illuminating means
• CPC Class Codes: H04N 5/33 Transforming infrared radiation cameras or camera modules for generating image signals from infrared radiation H04N23/20; circuitry of SSIS for transforming infrared radiation into image signals H04N25/20

Abstract

An approach is disclosed that provides a display component that includes a backlight layer, a diffuser layer, and a liquid crystal layer. The diffuser layer diffuses light emitted from the backlight layer into both visible spectrum light as well as infrared spectrum light suitable for infrared photography.

Claims

1. An apparatus comprising:

a display screen component that includes;

a backlight layer;

a diffuser layer, wherein the diffuser layer emits both visible spectrum light and infrared spectrum light through the diffuser; and

a liquid crystal layer.

2. The apparatus of claim 1 wherein the diffuser layer further comprises:

a plurality of diffuser zones, wherein each of the diffuser zones corresponds to one or more of a plurality of light sources included in the backlight layer, and wherein each of the diffuser zones converts light emitted from the light sources into the visible and infrared spectrum light.

3. The apparatus of claim 1 further comprising:

a light source comprising a plurality of light emitting diodes (LEDs) included in the backlight layer, wherein the LEDs are brightness adjustable and provide a suitable infrared image capture brightness.

4. The apparatus of claim 1 further comprising:

a plurality of blocker diodes included in the liquid crystal layer that are electronically activated and control a level of infrared spectrum light emitted through the liquid crystal layer from the diffuser layer.

5. The apparatus of claim 1 wherein the backlight layer further comprises:

a first light source comprising a first plurality of light emitting diodes (LEDs) that emit light in a visible spectrum; and

a second light source comprising a second plurality of LEDs that emit light in an infrared spectrum.

6. The apparatus of claim 1 wherein the infrared spectrum light is at a frequency greater than 700 nanometers (700 nm).

7. The apparatus of claim 1 further comprising:

one or more processors, wherein the display component is accessible by at least one of the processors;

a memory accessible by at least one of the processors; and

a digital infrared camera accessible by at least one of the processors.

8. The apparatus of claim 7 further comprising:

a set of instructions stored in the memory and executable by at least one of the processors to;

capture an IR image at the digital infrared camera; and

store the IR image in the memory.

9. The apparatus of claim 8 further comprising instructions stored in the memory and executable by at least one of the processors to:

adjust a brightness of the backlight layer to a suitable infrared image capture brightness prior to the capture of the IR image; and

restore the brightness of the backlight layer to a previous level after the capture of the IR image.

10. The apparatus of claim 8 further comprising instructions stored in the memory and executable by at least one of the processors to:

adjust a brightness of the backlight layer to a suitable infrared image capture brightness.

11. The apparatus of claim 8 further comprising

a first light source comprising a first plurality of light emitting diodes (LEDs) that emit light in a visible spectrum;

and

a second light source comprising a second plurality of LEDs that emit light in an infrared spectrum, wherein the instructions stored in the memory and executable by at least one of the processors to;

activate the second light source prior to the capture of the IR image; and

deactivate the second light source after the capture of the IR image.

12. The apparatus of claim 8 further comprising:

a plurality of blocker diodes included in the liquid crystal layer that are electronically activated and control a level of infrared spectrum light emitted through the liquid crystal layer from the diffuser layer, wherein the instructions stored in the memory and executable by at least one of the processors to;

deactivate the plurality of blocker diodes prior to the capture of the IR image; and

activate the plurality of blocker diodes after the capture of the IR image.

13. An information handling system comprising:

one or more processors, wherein the display component is accessible by at least one of the processors

a memory accessible by at least one of the processors;

a digital infrared camera accessible by at least one of the processors;

a display screen component that includes;

a backlight layer;

a diffuser layer, wherein the diffuser layer emits both visible spectrum light and infrared spectrum light through the diffuser; and

a liquid crystal layer; and

a set of instructions stored in the memory and executable by at least one of the processors to;

capture an IR image at the digital infrared camera; and

store the IR image in the memory, wherein the display screen component emits an amount of infrared spectrum light suitable to capture IR images by the digital infrared camera.

14. The information handling system of claim 13 further comprising:

the backlight layer of the display screen component further comprising;

a first light source comprising a first plurality of light emitting diodes (LEDs) that emit light in a visible spectrum; and

a second light source comprising a second plurality of LEDs that emit light in an infrared spectrum; and

wherein the instructions stored in the memory and executable by at least one of the processors to;

activate the second light source prior to the capture of the IR image; and

deactivate the second light source after the capture of the IR image.

15. The information handling system of claim 13 further comprising:

the liquid crystal layer of the display screen component further comprising;

a plurality of blocker diodes that are electronically activated and control a level of infrared spectrum light emitted through the liquid crystal layer from the diffuser layer; and

wherein the instructions stored in the memory and executable by at least one of the processors to;

deactivate the plurality of blocker diodes prior to the capture of the IR image; and

activate the plurality of blocker diodes after the capture of the IR image.

16. A method comprising:

emitting a light from a display component of an information handling system, wherein the light is diffused using a diffuser that emits both visible spectrum light and infrared spectrum light;

capturing an infrared (IR) image at an IR camera;

storing the IR image in a memory.

17. The method of claim 16 further comprising:

adjusting a brightness emitted from the display component to a suitable infrared image capture brightness prior to capturing of the IR image; and

restoring the brightness to a previous level after capturing of the IR image.

18. The method of claim 16 further comprising:

activating a set of one or more infrared spectrum lights included in a backlight layer of the display component prior to capturing the IR image; and

deactivating the set of infrared spectrum lights after capturing the IR image.

19. The method of claim 16 further comprising:

deactivating a plurality of blocker diodes included in a liquid crystal display layer of the display component prior to capturing the IR image, wherein the blocker diodes, when activated, block infrared light emitted from one or more other layers of the display component; and

activating the plurality of blocker diodes after capturing the IR image.

20. The method of claim 16 wherein a graph of the light emitted from the display component has a first apex in a first spectrum of visible light and a second apex in a second spectrum of infrared light.

21. The method of claim 16 further comprising:

utilizing an ambient light source in addition to the light emitted from the display to capture the IR image at the IR camera.