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Preparation method of intelligent window

A smart window and substrate technology, applied in the field of OLED display, can solve the problems of low power consumption, complex structure, disadvantages, etc., and achieve the effect of reducing total reflection loss, great application potential, and simple structure

Active Publication Date: 2016-11-23
TRULY HUIZHOU SMART DISPLAY
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Conventional smart windows (Smart Window) can only adjust the light transmittance, but cannot realize independent display; if the smart window is integrated with other displays, although it can perform independent display, it has complex structure, high power consumption, and large thickness. insufficient
Although transparent Organic Light Emitting Diode (OLED) has lower power consumption and higher transmittance, it cannot achieve light cut-off effect, which is not conducive to the application in some places, especially privacy protection places ; For example, when changing clothes inside the car, it needs to be isolated from the outside world to watch

Method used

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  • Preparation method of intelligent window

Examples

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Embodiment 1

[0033] Smart windows include two categories based on different OLED structures: Passive Matrix Organic Light Emitting Diode (PMOLED for short) and Active Matrix Organic Light Emitting Diode (AMOLED for short). ).

[0034] Picture 1-1 Shows the structure of a passive matrix organic light emitting diode PMOLED, including an anode part 11, an anode transparent conductive film ITO 12, an insulating layer (PR or PI) 13, a cathode part 21, a cathode transparent conductive film ITO 22, a cathode separator or a side wall 23 and cathode contactor 24, cathode metal strip (film) 25, a plurality of organic layers 30; Figure 1-2 for Picture 1-1 Schematic diagram of the cross-section in A.

[0035] The preparation method of the smart window involved in this embodiment is described as follows:

[0036] (1) Combining passive matrix organic light-emitting diode PMOLED and polymer dispersed liquid crystal (Polymer Dispersed Liquid Crystal, referred to as: PDLC) preparation, including the f...

Embodiment 2

[0055] Figure 5 It is a schematic diagram of the pixel structure of AMOLED; the pixel structure of AMOLED includes anode, cathode, organic layer, and TFT array.

[0056] The preparation method of the smart window involved in this embodiment is described as follows:

[0057] (1) Combining active matrix organic light-emitting diode AMOLED with polymer dispersed liquid crystal (Polymer Dispersed Liquid Crystal, referred to as: PDLC) preparation, including the following steps:

[0058] 1) Thin film transistor array preparation step: prepare a thin film transistor TFT array on the substrate, the TFT array includes one or more of amorphous silicon TFT, polysilicon TFT, oxide TFT, and organic TFT, preferably oxide TFT and organic TFT.

[0059] The TFT structure may be one or more of bottom gate bottom contact, bottom gate top contact, top gate bottom contact, top gate top contact, and double gate. If it is a bottom-gate TFT, either a BCE (Back Channel Etch, reverse channel etching...

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Abstract

The invention provides a preparation method of an intelligent window. The intelligent window comprises an intelligent window based on a passive matrix organic light emitting diode and an intelligent window based on an active matrix organic light emitting diode. The preparation method includes a positive pole deposition step, a substrate pattern making step, an organic material evaporation step, an electron injection layer making step, a negative pole deposition step, a protective layer making step, a flattening layer and liquid crystal scanning electrode making step, a liquid crystal control unit making step, a liquid crystal pouring step and a packaging step. The space between a transparent OLED (organic light emitting diode) negative pole and a rear cover is filled with specific liquid crystal materials, total reflection loss of a light-exiting surface of the OLED negative pole can be reduced, transmission and reflection of an OLED can be freely converted by energization and deenergization of a liquid crystal display, so that light exiting is intelligently controlled, automatic display is achieved, the prepared intelligent window is simple in structure, thin in thickness and low in power consumption, and has the functions of privacy protection and automatic display and application potential in many scenes such as vehicles, shopping malls and aviation.

Description

technical field [0001] The invention relates to the technical field of OLED display, in particular to a preparation method of an intelligent window. Background technique [0002] Conventional smart windows (Smart Window) can only adjust the light transmittance, but cannot realize independent display; if the smart window is integrated with other displays, although it can perform independent display, it has complex structure, high power consumption, and large thickness. insufficient. Although transparent Organic Light Emitting Diode (OLED) has lower power consumption and higher transmittance, it cannot achieve light cut-off effect, which is not conducive to the application in some places, especially privacy protection places ; For example, when changing clothes inside the car, it needs to be isolated from the outside world to watch. [0003] Therefore, it is necessary to develop a smart window that can not only reduce the total reflection loss of the OLED cathode light-emitt...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L27/32H01L51/52H01L51/56G09G3/3208
CPCG09G3/3208H10K59/00H10K50/86H10K71/00
Inventor 何剑苏君海李建华
Owner TRULY HUIZHOU SMART DISPLAY
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