阅读说明：本技术 可视范围调节器件及其驱动方法、可视范围调节装置和显示装置 (Visible range adjusting device, driving method thereof, visible range adjusting device and display device ) 是由 陈雷 张琦 王雪绒 汪志强 马鑫 孙川 王秋里 芮博超 时凌云 张�浩 于 2018-12-07 设计创作，主要内容包括：一种可视范围调节器件及其驱动方法、可视范围调节装置和显示装置。该可视范围调节器件包括第一基材(110)；第二基材(120)；电解质层(130)；以及多个电致变色单元(200)。各电致变色单元(200)包括第一透明电极(140),两个第二透明电极(150)和电致变色层(170),第一透明电极(140)位于第一基材(110)面向第二基材(120)的一侧；第二透明电极(150)位于第二基材(120)面向第一基材(110)的一侧,电解质层(130)与第一透明电极(140)、第二透明电极(150)和电致变色层(170)分别接触设置,第一透明电极(140)和两个第二透明电极(150)分别通过电解质层(130)驱动电致变色层(170)变色以调节可视范围。(A visual range adjusting device, a driving method thereof, a visual range adjusting apparatus, and a display apparatus. The visual range adjusting device comprises a first substrate (110); a second substrate (120); an electrolyte layer (130); and a plurality of electrochromic cells (200). Each electrochromic cell (200) comprises a first transparent electrode (140), two second transparent electrodes (150) and an electrochromic layer (170), the first transparent electrode (140) being located on the side of the first substrate (110) facing the second substrate (120); the second transparent electrode (150) is positioned on one side, facing the first substrate (110), of the second substrate (120), the electrolyte layer (130) is respectively in contact with the first transparent electrode (140), the second transparent electrode (150) and the electrochromic layer (170), and the first transparent electrode (140) and the two second transparent electrodes (150) respectively drive the electrochromic layer (170) to change color through the electrolyte layer (130) so as to adjust the visible range.)

A visual range adjustment device comprising:

a first substrate;

a second substrate disposed opposite to the first substrate;

an electrolyte layer between the first substrate and the second substrate; and

a plurality of electrochromic cells located between the first substrate and the second substrate,

each electrochromic unit comprises a first transparent electrode, two second transparent electrodes and an electrochromic layer, wherein the first transparent electrode is positioned on one side of a first substrate facing the second substrate; the second transparent electrode is positioned on one side of the second substrate facing the first substrate,

the electrolyte layer is respectively arranged in contact with the first transparent electrode, the second transparent electrode and the electrochromic layer,

the first transparent electrode and the two second transparent electrodes drive the electrochromic layer to change color through the electrolyte layer respectively so as to adjust the visible range.

The visible range adjustment device of claim 1, wherein each of the electrochromic cells further comprises:

a transparent support structure positioned between the first substrate and the second substrate to maintain a spacing between the first substrate and the second substrate,

the transparent support structure is arranged between the two second transparent electrodes, the orthographic projection of the transparent support structure on the first substrate is positioned in the orthographic projection of the first transparent electrode on the first substrate, and the electrochromic layer is positioned between the transparent support structure and the electrolyte layer.

The visual range adjustment device of claim 2, wherein the electrochromic layer is located on a side surface of the support structure that is in contact with the electrolyte in the electrolyte layer, the first transparent electrode is connected to the electrochromic layer, and the second transparent electrode is spaced apart from the electrochromic layer.

The visual range adjustment device of claim 1, wherein one of said second transparent electrodes is shared between adjacent ones of said electrochromic cells.

The visual range adjustment device of any one of claims 1-4, wherein the electrochromic layer comprises a metal oxide.

The visible range adjustment device of claim 5, wherein a material of the electrochromic layer includes at least one of tungsten trioxide, tantalum pentoxide, cuprous oxide, nickel oxide, and nickel hydroxide.

The visual range adjustment device of any one of claims 1-6, wherein the electrochromic layer is disposed obliquely with respect to the first substrate.

The visual range adjustment device of claim 2 or 3, wherein the transparent support structure is elongated extending in a first direction parallel to the first substrate or the second substrate, the transparent support structure being shaped with a cross-section perpendicular to the first direction comprising a trapezoid.

The visual range adjustment device of claim 8, wherein the base angle range of the trapezoid is between 65-75 degrees.

The visual range adjustment device of claim 8, wherein the electrochromic layer is located on a side surface of the transparent support structure parallel to the first direction.

The visible range adjustment device of claim 8, wherein the plurality of electrochromic cells are arranged at intervals in a second direction perpendicular to the first direction.

The visual range adjustment device of claim 8, wherein a bottom side of the trapezoid is a side of the trapezoid close to the first substrate, and a top side of the trapezoid is a side of the trapezoid away from the first substrate.

The visual range adjustment device of any one of claims 1 to 12, wherein the electrolyte layer has a thickness in the range of 100-200 μm in a direction perpendicular to the first or second substrate.

A visual range adjusting apparatus comprising:

the visual range adjustment device according to any one of claims 1 to 13; and

a driving device electrically connected to the first transparent electrode and the second transparent electrode, respectively, and configured to drive the electrochromic layer to switch between a transparent state and an opaque state.

A display device, comprising:

a visual range adjusting means according to any one of claims 1 to 13; and

a display panel having a display side,

wherein the visible range adjusting device is located on the display side of the display panel.

A driving method of a visual range adjustment device, wherein the visual range adjustment device is the visual range adjustment device according to any one of claims 1 to 13, the driving method comprising:

applying a first voltage between the first transparent electrode and the second transparent electrode to bring the electrochromic layer into a transparent state;

removing the first voltage, the electrochromic layer maintaining the transparent state;

applying a second voltage between the first transparent electrode and the second transparent electrode to cause the electrochromic layer to assume an opaque state; and

the electrochromic layer maintains the opaque state when the second voltage is removed.

The driving method of the visible range adjusting device according to claim 16, wherein the light transmittance in the transparent state is in the range of 85-90%.

The driving method of the visible range adjusting device according to claim 16, wherein the light transmittance in the transparent state is in the range of 5 to 10%.