LIQUID CRYSTAL GRATING AND FABRICATION METHOD THEREOF, AND DISPLAY DEVICE
First Claim
1. A liquid crystal grating, comprising a first substrate and a second substrate provided opposite to each other and a liquid crystal layer provided between the first substrate and the second substrate, a plate-shaped transparent electrode being provided on the first substrate, wherein,a second transparent conductive layer, a transparent insulating layer and a first transparent conductive layer are sequentially provided on the second substrate;
- the first transparent conductive layer includes first strip-shaped transparent electrodes and second strip-shaped transparent electrodes which are alternately provided, and a gap is between the first strip-shaped transparent electrode and the second strip-shaped transparent electrode adjacent to each other;
the second transparent conductive layer includes third strip-shaped transparent electrodes provided at intervals; and
only one third strip-shaped transparent electrode with its entirety is provided in an orthographic projection, on the second transparent conductive layer, of a region of every two immediately adjacent first strip-shaped transparent electrodes and one second strip-shaped transparent electrode between the every two immediately adjacent first strip-shaped transparent electrodes.
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Abstract
A liquid crystal grating and a fabrication method thereof, and a display device are provided. The liquid crystal grating comprises a first substrate (1) and a second substrate (2) provided opposite to each other, and a liquid crystal layer (7); a plate-shaped transparent substrate (3) is provided on the first substrate (1), and a second transparent conductive layer (4), a transparent insulating layer (5) and a first transparent conductive layer (6) are sequentially provided on the second substrate (2); the first transparent conductive layer (6) includes first strip-shaped transparent electrodes (61) and second strip-shaped transparent electrodes (62) which are alternately provided, and there is a gap between the first strip-shaped transparent electrode (61) and the second strip-shaped transparent electrode (62) adjacent to each other; and the second transparent conductive layer (4) includes third strip-shaped transparent electrodes (41) provided at intervals. The liquid crystal grating reduces a black stripe.
2 Citations
20 Claims
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1. A liquid crystal grating, comprising a first substrate and a second substrate provided opposite to each other and a liquid crystal layer provided between the first substrate and the second substrate, a plate-shaped transparent electrode being provided on the first substrate, wherein,
a second transparent conductive layer, a transparent insulating layer and a first transparent conductive layer are sequentially provided on the second substrate; -
the first transparent conductive layer includes first strip-shaped transparent electrodes and second strip-shaped transparent electrodes which are alternately provided, and a gap is between the first strip-shaped transparent electrode and the second strip-shaped transparent electrode adjacent to each other; the second transparent conductive layer includes third strip-shaped transparent electrodes provided at intervals; and only one third strip-shaped transparent electrode with its entirety is provided in an orthographic projection, on the second transparent conductive layer, of a region of every two immediately adjacent first strip-shaped transparent electrodes and one second strip-shaped transparent electrode between the every two immediately adjacent first strip-shaped transparent electrodes. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A fabrication method of a liquid crystal grating, comprising:
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forming a transparent conductive layer on a first substrate, and forming a pattern including a plate-shaped transparent electrode by a patterning process; forming a second transparent conductive layer on a second substrate, and forming a pattern including third strip-shaped transparent electrodes provided at intervals by a patterning process; forming a transparent insulating layer on the second substrate where the second transparent conductive layer has been formed; forming a first transparent conductive layer on the second substrate where the transparent insulating layer has been formed, forming a pattern including first strip-shaped transparent electrodes and second strip-shaped transparent electrodes by a patterning process, the first strip-shaped transparent electrodes and the second strip-shaped transparent electrodes being alternately provided, and a gap being between the first strip-shaped transparent electrode and the second strip-shaped transparent electrode adjacent to each other; and dripping off liquid crystal molecules on the first substrate or the second substrate, and bonding the first substrate and the second substrate to form the liquid crystal grating, wherein, only one third strip-shaped transparent electrode with its entirety is provided in an orthographic projection, on the second transparent conductive layer, of a region of every two immediately adjacent first strip-shaped transparent electrodes and one second strip-shaped transparent electrode between the every two immediately adjacent first strip-shaped transparent electrodes.
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Specification