| CPC G02F 1/133512 (2013.01) [G02F 1/133553 (2013.01); G02F 1/136286 (2013.01); G02F 1/1368 (2013.01); G02F 1/13756 (2021.01); G09G 3/3406 (2013.01); G02F 1/133622 (2021.01); G02F 1/1339 (2013.01); G02F 2203/01 (2013.01); G09G 2300/0426 (2013.01)] | 15 Claims |
|
1. A transparent display apparatus, comprising:
a liquid crystal cell having a display region; and
a light source disposed opposite to a side surface of the liquid crystal cell, wherein the liquid crystal cell includes:
a first substrate;
first electrodes disposed on the first substrate;
a second substrate;
a second electrode disposed on one of the first substrate and the second substrate;
a liquid crystal layer disposed between the first substrate and the second substrate; the liquid crystal layer including polymer molecules and liquid crystal molecules, and the liquid crystal layer being configured to totally reflect or scatter light emitted by the light source incident to a region, opposite to a first electrode of the first electrodes, in the liquid crystal layer due to action of an electric field provided by the first electrode and the second electrode;
a plurality of signal lines disposed on the first substrate and located in the display region, wherein at least one signal line of the plurality of signal lines has a bottom surface proximate to the first substrate and a light-reflecting side surface connected to the bottom surface and facing the light source, and a slope angle provided by the light-reflecting side surface and the bottom surface is an acute angle; and
a light-shielding pattern disposed on the second substrate, the light-shielding pattern being located in a reflection path after a portion of the light emitted by the light source irradiates the light-reflecting side surface;
wherein the plurality of signal lines include gate lines, data lines and power lines, wherein an extending direction of the gate lines intersects an extending direction of the signal lines, the power lines and the data lines extend in the same direction and are disposed at intervals; and the power lines are made of a same material as the data lines;
the display region includes a plurality of pixel regions, and each pixel region is provided with a first electrode of the first electrodes therein;
the liquid crystal cell further includes:
thin film transistors disposed on the first substrate, wherein each pixel region is further provided with a thin film transistor of the thin film transistors therein, the thin film transistor is closer to the first substrate than the first electrode, and the thin film transistor includes a gate, an active layer, a source and a drain, wherein the gate of the thin film transistor is coupled to a gate line of the gate lines, the source of the thin film transistor is coupled to a data line of the data lines, and the drain of the thin film transistor is coupled to the first electrode;
the liquid crystal cell further includes:
first conductive patterns disposed in a same layer as the first electrodes;
second conductive patterns disposed in another same layer as the data lines; and
third conductive patterns disposed in yet another same layer as the gate lines, wherein a first conductive pattern of the first conductive patterns is coupled to a power line of the power lines and a third conductive pattern of the third conductive patterns;
a second conductive pattern of the second conductive patterns is coupled to the drain of the thin film transistor;
an orthogonal projection of the third conductive pattern on the first substrate overlaps with an orthogonal projection of the second conductive pattern on the first substrate;
the first conductive patterns and the gate lines extend in the same direction; and
the first conductive pattern includes unshielded portions each located between two adjacent first electrodes of the first electrodes;
an orthogonal projection of the unshielded portion on the first substrate is non-overlapping with the orthogonal projection of the second conductive pattern on the first substrate and the orthogonal projection of the third conductive pattern on the first substrate, and an orthogonal projection of the unshielded portion on the second substrate is non-overlapping with an orthogonal projection of the light-shielding pattern on the second substrate.
|