阅读说明：本技术 具有可电控的光学性能的复合玻璃板 (Composite glass pane having electrically controllable optical properties ) 是由 J·多罗萨里奥 张慧星 V·舒尔茨 于 2020-09-10 设计创作，主要内容包括：本发明涉及具有可电控的光学性能的复合玻璃板,其包括通过热塑性中间层(3)彼此接合的外玻璃板(1)和内玻璃板(2),其中,具有可电控的光学性能的光电功能元件(4；S)嵌入所述中间层(3)中,该光电功能元件包括在第一载体膜(6)和第二载体膜(7)之间的活性层(5),该活性层在两个表面上分配有透明平面控制电极(8、9),并且其中,在所述活性层(5)和所述热塑性中间层(3)之间与指向内玻璃板(2)方向的第二载体膜(7)直接接触地布置电容式触摸切换元件(T；11)。(The invention relates to a composite glass pane having electrically controllable optical properties, comprising an outer glass pane (1) and an inner glass pane (2) which are joined to one another by means of a thermoplastic intermediate layer (3), wherein an opto-electronic functional element (4; S) having electrically controllable optical properties is embedded in the intermediate layer (3), which opto-electronic functional element comprises an active layer (5) between a first carrier film (6) and a second carrier film (7), which active layer is assigned transparent planar control electrodes (8, 9) on both surfaces, and wherein a capacitive touch switching element (T; 11) is arranged between the active layer (5) and the thermoplastic intermediate layer (3) in direct contact with the second carrier film (7) pointing in the direction of the inner glass pane (2).)

1. Composite glass pane with electrically controllable optical properties, comprising an outer glass pane (1) and an inner glass pane (2) which are joined to one another by means of a thermoplastic interlayer (3), wherein an opto-electronic functional element (4; S) with electrically controllable optical properties is embedded in the interlayer (3), which opto-electronic functional element comprises an active layer (5) between a first carrier film (6) and a second carrier film (7), which active layer is assigned transparent planar control electrodes (8, 9) on both surfaces, and wherein a capacitive touch switching element (T; 11) is arranged between the active layer (5) and the thermoplastic interlayer (3) in direct contact with the second carrier film (7) pointing in the direction of the inner glass pane (2).

2. Composite glass pane according to claim 1, wherein in the region of the touch-switching element (T; 11) a structured electrically conductive layer (12) is arranged which is arranged on the surface of the optoelectronic functional element (4; S) assigned to the inner glass pane.

3. Composite glass pane according to claim 2, wherein the structured electrically conductive layer (12) has a touch-switching structure formed by laser structuring of an electrically conductive layer deposited in a vacuum-based coating method.

4. Composite glass pane according to claim 1, wherein the touch-switching element (T; 11) is formed by a dedicated touch-switching structure of the opto-electronic functional element (4; S) facing the planar control electrode (9) of the inner glass pane.

5. Composite glass pane according to any one of claims 1 to 4, wherein the opto-electronic functional element (4; S) is a PDLC functional element, a PNLC functional element, an SPD functional element or an electrochromic functional element.

6. Composite glass pane according to one of claims 1 to 5, wherein the opto-electronic functional element (4; S) is arranged in a first sub-area (S) of the composite glass pane and the touch switching element (T; 11) is arranged in a second sub-area of the composite glass pane, which second sub-area is contained in the first sub-area.

7. Composite glass pane according to one of claims 1 to 6, wherein the optoelectronic functional element (4; S) has a control connection (13) which is electrically connected to the touch-switch element (T; 11), wherein the control connection preferably has an MQS plug.

8. Composite glass pane according to one of claims 1 to 7, wherein the touch-switching element (T; 11) has two parallel or concentric conductors (11 a, 11 b) with touch-switching sections arranged at a mutual distance of 0.3 to 1.5cm, in particular 0.5 to 1 cm.

9. Composite glass pane according to one of claims 1 to 8, wherein the touch-switching element (T; 11) has a multiplicity of conductors which are spaced apart from one another and are individually connected or connectable to the outside of the opto-electronic functional element (4; S).

10. Composite glass pane according to one of claims 1 to 9, wherein the touch switching element (T; 11) is assigned a visual marking, in particular a black printed area, which indicates its position for the user.

11. The composite glass pane according to any one of claims 1 to 10, designed as a windshield pane (W) or roof pane of a road vehicle, in particular a passenger car, or an aircraft or a water vehicle, in particular a boat or passenger ship.

12. Composite glazing unit, in particular a vehicle glazing unit, having a composite glazing according to one of claims 1 to 11, a control unit (15) for controlling the optical properties of the optoelectronic functional element (4; S) and a switching control unit (16) for switching, which is connected to the touch-switching element (T; 11), for manually controlling the optoelectronic functional element (4; S), in particular for switching on/off or for contrast or brightness setting or the like.

13. Composite glass pane arrangement according to claim 12, wherein the composite glass pane is designed according to claim 9 and the switching control unit (16) has a number of inputs corresponding to the number of individually connectable conductors of the touch switching element (T; 11) and activates one of more than two control states of the opto-electronic functional element (4; S) in response to a signal reception at the respective signal input.

14. Road vehicle, in particular passenger car, having a composite glass pane arrangement according to claim 12 or 13.

15. A method of manufacturing a composite glass sheet according to any of claims 1 to 11, wherein

-providing an opto-electronic functional element (4; S) and being provided with a capacitive touch switching element (T; 11), the opto-electronic functional element comprising an active layer (5) between a first carrier film (6) and a second carrier film (7), the active layer having distributed on both surfaces transparent planar control electrodes (8, 9), and

-laminating the opto-electronic functional element between the outer glass plate (1) and the inner glass plate (2) by means of a thermoplastic interlayer (3).

The embodiments of the invention as a whole are not limited to the aspects highlighted above and to the embodiments described above, but are equally feasible in the form of a multitude of variations within the scope of the appended claims.

List of reference numerals

1 outer glass plate

2 inner glass plate

3 thermoplastic interlayer

3a first layer of the intermediate layer 3

3a' colored region of the first layer 3a

3b second layer of the intermediate layer 3

3c third layer of the intermediate layer 3

4; s functional element with electrically adjustable optical properties

5 active layer of functional element 4

6 first carrier film for functional elements 4

7 second carrier film for functional elements 4

8. 9 planar electrodes of functional elements 4

10 overlay print

11; t touch switching element

11a, 11b touch switching element

12 conductive layer

13 connecting piece of touch switching element

14a, 14b control connector (bus bar)

15 control unit

16 switching control unit

17 electrically insulating region

Viewing zone of B windshield

D Upper edge of windshield Panel

Lower edge of M windshield panel

S sun shield

W windshield plate

X-X' cutting line

Z detail area of the windscreen panel.