Display panel and display apparatus using the same

• US 10,225,458 B2
• Filed: 08/17/2017
• Issued: 03/05/2019
• Est. Priority Date: 07/07/2017
• Status: Active Grant

• Current Assignee: Chongqing HKC Optoelectronics Technology Co., Ltd. (Shenzhen Huike Investment Holding Co., Ltd.), HKC Corporation Limited (Shenzhen Huike Investment Holding Co., Ltd.)
• Original Assignee: Chongqing HKC Optoelectronics Technology Co., Ltd. (Shenzhen Huike Investment Holding Co., Ltd.), HKC Corporation Limited (Shenzhen Huike Investment Holding Co., Ltd.)
• Inventors: Cho, En-Tsung, Yang, Fengyun
• Primary Examiner(s): Chen, Chia Wei A
• Application Number:
  US15/578,501
• Publication Number:
  US 20190014266A1
• Time in Patent Office: 565 Days
• CPC Class Codes: G02B 1/041 Lenses
• CPC Class Codes: G02F 1/13318 Circuits comprising a photodetector
• CPC Class Codes: G02F 1/133509 Filters, e.g. light shielding masks
• CPC Class Codes: G02F 1/133526 Lenses, e.g. microlenses or Fresnel lenses
• CPC Class Codes: G02F 1/1368 in which the switching element is a three-electrode device G02F1/136277 takes precedence
• CPC Class Codes: G02F 2203/11 involving infrared radiation
• CPC Class Codes: H04N 23/57 Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
• CPC Class Codes: H04N 23/959 by adjusting depth of field during image capture, e.g. maximising or setting range based on scene characteristics

Abstract

The present invention provides a display panel and a display apparatus using the same. The display panel comprises: a first substrate; a second substrate; a liquid crystal layer disposed between the first substrate and the second substrate; an image sensing module disposed on one side of the second substrate facing the first substrate; a lens array disposed on one side of the first substrate facing the second substrate and on a position corresponding to the image sensing module; and an active switch array disposed on the side of the second substrate facing the first substrate, wherein the image sensing module is configured to receive the focused image light.

Claims

1. A display panel, comprising:

a first substrate;

a second substrate;

a liquid crystal layer disposed between the first substrate and the second substrate;

an image sensing module disposed on one side of the second substrate facing the first substrate;

a lens array disposed on one side of the first substrate facing the second substrate and on a position corresponding to the image sensing module for focusing an image light on the image sensing module; and

an active switch array disposed on the side of the second substrate facing the first substrate;

wherein the image sensing module is configured to receive the focused image light and adjust a focal length of the image sensing module.

2. The display panel according to claim 1, wherein the image sensing module is disposed to be parallel to the active switch array.

3. The display panel according to claim 1, wherein the image sensing module includes a light sensor.

4. The display panel according to claim 3, wherein the light sensor is a photodiode or a phototransistor.

5. The display panel according to claim 3, wherein a material of the light sensor is a narrow bandgap organic or inorganic material with an energy band gap less than 1.12 eV.

6. The display panel according to claim 1, wherein the lens array is manufactured by a wafer level manufacturing technology.

7. The display panel according to claim 6, wherein the material of the lens array includes an optical level glass, polymethyl methacrylate (PMMA) or polycarbonate (PC) resin.

8. The display panel according to claim 1, wherein an opaque area is disposed between the first substrate and the lens array for allowing only infrared light to pass through.

9. A display apparatus, comprising:

a backlight module;

controlling components; and

a display panel, comprising;

a first substrate;

a second substrate;

a liquid crystal layer disposed between the first substrate and the second substrate;

an image sensing module disposed on one side of the second substrate facing the first substrate;

a lens array disposed on one side of the first substrate facing the second substrate and on a position corresponding to the image sensing module for focusing an image light on the image sensing module; and

an active switch array disposed on the side of the second substrate facing the first substrate;

wherein the image sensing module is configured to receive the focused image light and adjusts a focal length of the image sensing module.

10. The display apparatus according to claim 9, wherein the image sensing module is disposed to be parallel to the active switch array.

11. The display apparatus according to claim 9, wherein the image sensing module includes a light sensor.

12. The display apparatus according to claim 11, wherein the light sensor is a photodiode.

13. The display apparatus according to claim 11, wherein the light sensor is a phototransistor.

14. The display apparatus according to claim 11, wherein a material of the light sensor is a narrow bandgap organic or inorganic material with an energy band gap less than 1.12 eV.

15. The display apparatus according to claim 9, wherein the lens array is manufactured by a wafer level manufacturing technology.

16. The display apparatus according to claim 15, wherein the material of the lens array includes an optical level glass.

17. The display apparatus according to claim 15, wherein the material of the lens array includes a polymethyl methacrylate (PMMA).

18. The display apparatus according to claim 15, wherein the material of the lens array includes a polycarbonate (PC) resin.

19. The display apparatus according to claim 9, wherein an opaque area is disposed between the first substrate and the lens array for allowing only infrared light to pass through.

20. A display panel, comprising:

a first substrate;

a second substrate;

a liquid crystal layer disposed between the first substrate and the second substrate;

an image sensing module disposed on one side of the second substrate facing the first substrate, wherein the image sensing module includes a light sensor;

a lens array disposed on one side of the first substrate facing the second substrate and on a position corresponding to the image sensing module for focusing an image light on the image sensing module, wherein the material of the lens array includes an optical level glass, and the lens array is manufactured by a wafer level manufacturing technology; and

an active switch array disposed on the side of the second substrate facing the first substrate, wherein the active switch array is disposed to be parallel to the image sensing module;

wherein an opaque area is disposed between the first substrate and the lens array for allowing only infrared light to pass through, and the image sensing module is configured to receive the focused image light and adjusts a focal length of the image sensing module.