WIRELESS CONTROLLING POLYMER DISPERSED LIQUID CRYSTAL SMART WINDOW

• US 20170153467A1
• Filed: 08/26/2016
• Published: 06/01/2017
• Est. Priority Date: 11/27/2015
• Status: Active Application

• Current Assignee: Nanobit Tech Co., Ltd.
• Original Assignee: Nanobit Tech Co., Ltd.
• Inventors: CHANG, Yu-Yang, LIU, Shiou-Ming, YU, Te-Liang, KU, Fu-Tien, DING, Ding-Kuo
• Application Number:
  US15/248,459
• Publication Number:
  US 20170153467A1
• Time in Patent Office: Days
• CPC Class Codes: E06B 2009/2464 featuring transparency control by applying voltage, e.g. LCD, electrochromic panels
• CPC Class Codes: E06B 2009/247 Electrically powered illumination
• CPC Class Codes: E06B 9/24 Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blindsoperating, guiding or securing devices or arrangements for roll-type closures E06B9/56; free-hanging flexible screens A47H23/00
• CPC Class Codes: G02F 1/13306 Circuit arrangements or driving methods for the control of single liquid crystal cells G02F1/132, G02F1/133382 take precedence
• CPC Class Codes: G02F 1/133305 Flexible substrates, e.g. plastics, organic film
• CPC Class Codes: G02F 1/1334 based on polymer dispersed liquid crystals, e.g. microencapsulated liquid crystals
• CPC Class Codes: G02F 1/137 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering

Abstract

A wireless controlling PDLC smart window is provided. The smart window comprises a composite layer, a control device, a wireless receiver unit and a wireless emitter unit. The control device is connected electrically with the composite layer. The wireless receiver unit is connected electrically with the control device. The wireless emitter unit is coupled to the wireless receiver unit. The wireless emitter unit may emit a message of control operation to the wireless receiver unit. The message is transmitted from the wireless receiver unit to the control device. The control device may drive the composite layer to display information or pattern after the massage is processed.

Claims

1. A wireless controlling polymer dispersed liquid crystal smart window, comprising:

at least one composite layer;

a control device, connected electrically with the composite layer;

a wireless receiver unit, connected electrically with the control device; and

a wireless emitter unit, coupled to the wireless receiver unit,

wherein, the wireless emitter unit emits a message of control operation to the wireless receiver unit, the message is transmitted from the wireless receiver unit to the control device, and the control device drives the composite layer to display information or pattern after the massage is processed.

2. The wireless controlling polymer dispersed liquid crystal smart window according to claim 1, wherein the composite layer comprises:

a first soft resin sheet, having a first curing layer on a side surface of the first soft resin sheet;

a first transparent conductive layer, provided on a side surface of the first curing layer, and electrically connected with the control device, the first transparent conductive layer comprising a first circuit region and a first cable region;

a second soft resin sheet, having a second curing layer on a side surface of the second soft resin sheet;

a second transparent conductive layer, provided on a side surface of the second curing layer, and electrically connected with the control device, the second transparent conductive layer comprising a second circuit region and a second cable region; and

a first polymer dispersed liquid crystal (PDLC) layer, provided between the first transparent conductive layer and the second transparent conductive layer.

3. The wireless controlling polymer dispersed liquid crystal smart window according to claim 2, wherein the first soft resin sheet and the second soft resin sheet are a material of light transmission resin.

4. The wireless controlling polymer dispersed liquid crystal smart window according to claim 3, wherein the light transmission resin is polyethylene terephthalate (PET), polyethylene (PE), polyimide (PI), polyamide (PA), polyurethanes (PU) or acrylic resin.

5. The wireless controlling polymer dispersed liquid crystal smart window according to claim 2, wherein the first soft resin sheet has a thickness in a range of 10 um-500 um and the second soft resin sheet has a thickness in a range of 10 um-500 um.

6. The wireless controlling polymer dispersed liquid crystal smart window according to claim 2, wherein the first curing layer or the second curing layer is a material selected from the group consisting of acrylic resin, epoxy and silica.

7. The wireless controlling polymer dispersed liquid crystal smart window according to claim 2, wherein the first curing layer or the second curing layer has a thickness in a range of 1 um-5 um.

8. The wireless controlling polymer dispersed liquid crystal smart window according to claim 2, wherein the first transparent conductive layer and the second transparent conductive layer are made of an inorganic conductive material or an organic conductive material.

9. The wireless controlling polymer dispersed liquid crystal smart window according to claim 8, wherein the inorganic conductive material is a material of metal or metallic oxide.

10. The wireless controlling polymer dispersed liquid crystal smart window according to claim 8, wherein the organic conductive material is a conductive material mixing with carbon nanotube or poly-3,4-ethylenedioxythiophene.

11. The wireless controlling polymer dispersed liquid crystal smart window according to claim 2, wherein the first transparent conductive layer or the second transparent conductive layer has a thickness in a range of 5 nm-50 um.

12. The wireless controlling polymer dispersed liquid crystal smart window according to claim 11, wherein the first transparent conductive layer or the second transparent conductive layer has a thickness in a range of 100 nm-10 um.

13. The wireless controlling polymer dispersed liquid crystal smart window according to claim 2, wherein the first transparent conductive layer or the second transparent conductive layer has the light transmission rate of 70%-95%.

14. The wireless controlling polymer dispersed liquid crystal smart window according to claim 2, wherein the first PDLC layer is formed of PDLC resins as a main element and mixing with a material selected from the group consisting of UV resins, thermal setting resins and silica.

15. The wireless controlling polymer dispersed liquid crystal smart window according to claim 2, wherein the first PDLC layer has a thickness in a range of 1 um-100 um.

16. The wireless controlling polymer dispersed liquid crystal smart window according to claim 2, wherein the first PDLC layer has the light transmission rate of 50%-80%.

17. The wireless controlling polymer dispersed liquid crystal smart window according to claim 2, wherein the first PDLC layer has refractive index of 1.5-5.5.

18. The wireless controlling polymer dispersed liquid crystal smart window according to claim 2, wherein the composite layer is attached to another composite layer by the first soft resin sheet or the second soft resin sheet with a transparent adhesive layer.

19. The wireless controlling polymer dispersed liquid crystal smart window according to claim 18, wherein the transparent adhesive layer has optical clear adhesive.

20. The wireless controlling polymer dispersed liquid crystal smart window according to claim 2, wherein the control device is connected electrically with the composite layer by a flexible print circuit, and the control device comprises:

a microprocessor unit, connected electrically with the wireless receiver unit for receiving the message from the wireless receiver unit;

a storage unit, connected electrically with the microprocessor unit for storing the information or the pattern;

a driving unit, connected electrically with the microprocessor unit for receiving the message from the microprocessor unit to drive the composite layer; and

a power supply unit, providing electrical power to the control device and the composite layer.

21. The wireless controlling polymer dispersed liquid crystal smart window according to claim 2, wherein the wireless receiver unit comprises the wireless receiver and a decoder connected electrically with the wireless receiver.

22. The wireless controlling polymer dispersed liquid crystal smart window according to claim 21, wherein the wireless receiver receives a wireless signal by infrared protocol, Bluetooth protocol or radio protocol.

23. The wireless controlling polymer dispersed liquid crystal smart window according to claim 2, wherein the wireless emitter unit comprises a plurality of buttons, an encoder connected electrically with the buttons, a wireless emitter connected electrically with the encoder and a power supply connected electrically with the encoder.

24. The wireless controlling polymer dispersed liquid crystal smart window according to claim 23, wherein the wireless emitter emits a wireless signal by infrared protocol, Bluetooth protocol or radio protocol.