Display device
View Patent ↗A display device is provided, including a circuit board, a display panel, a plurality of clock signal lines, and a plurality of grounding resistors. Each clock signal line extends from the circuit board to a non-display area of the display panel. The plurality of grounding resistors are disposed on the circuit board. Each grounding resistor is connected to a corresponding clock signal line, and is configured to reduce a voltage value of high level of the clock signal.
1. A display device, comprising:
a processor configured to output driving signals and voltages;
a timing controller connected to the processor, and configured to generate control signals based on the driving signals;
a circuit board connected to the timing controller, and configured to generate initial clock signals according to the voltages and the control signals, wherein any one of the initial clock signals is a signal with high levels and low levels that occur alternatively;
a display panel connected to the circuit board, and comprising a display area and a non-display area;
a plurality of clock signal lines configured to transmit the initial clock signals, wherein each of the clock signal lines extends from the circuit board to the non-display area of the display panel;
a plurality of grounding resistors disposed on the circuit board, wherein each of the grounding resistors is connected to a corresponding clock signal line, and is configured to reduce a voltage value of the high level of the initial clock signal to obtain an adjusted clock signal;
a gate driver disposed in the non-display area of the display panel, connected to the clock signal lines, and configured to generate a gate signal according to the adjusted clock signal; and
a gate line disposed in the display area of the display panel, connected to the gate driver, and configured to transmit the gate signal;
wherein the display device comprises a M-th clock signal line, a (M−1)th clock signal line, and a (M−2)th clock signal line arranged in sequence; and
a value of a grounding resistor of the plurality of grounding resistors connected to the M-th clock signal line is R(M), a value of a grounding resistor of the plurality of grounding resistors connected to the (M−1)th clock signal line is R(M−1), and a value of a grounding resistor of the plurality of grounding resistors connected to the (M−2)th clock signal line is R(M−2), wherein R(M)<R(M−1)<R(M−2) or R(M)>R(M−1)>R(M−2).
2. The display device according to claim 1 , wherein the plurality of clock signal lines are arranged in sequence from the display area of the display panel toward the non-display area, and values of two of the grounding resistors connected to two of the clock signal lines are different.
3. The display device according to claim 1 , wherein the display device comprises a K-th clock signal line and a (K−1)th clock signal line which are adjacent to each other; and
a value of a grounding resistor of the plurality of grounding resistors connected to the K-th clock signal line is R(K), and a value of a grounding resistor of the plurality of grounding resistors connected to the (K−1)th clock signal line is R(K−1), wherein R(K)=R(K−1), and K≠M.
4. The display device according to claim 1 , further comprising a plurality of matching resistors disposed on the circuit board, wherein each of the matching resistors is connected to a corresponding clock signal line.
5. The display device according to claim 1 , wherein each of the clock signal lines comprises a first section and a second section connected to the first section, the first section is disposed in the circuit board, and the second section is disposed in the non-display area of the display panel, and each of the grounding resistors is connected to the first section of the corresponding clock signal line.
6. The display device according to claim 5 , wherein the circuit board comprises a first circuit board and a second circuit board;
the first section of the clock signal line comprises a first subsection and a second subsection, the first subsection is disposed on the first circuit board, and the second subsection is disposed on the second circuit board;
the second section of the clock signal line comprises a third subsection and a fourth subsection, which are respectively arranged on opposite sides of the display panel;
the gate driver comprises a first gate driver and a second gate driver, the first gate driver is connected to the third subsection, the second gate driver is connected to the fourth subsection, and the first gate driver and the second gate driver are respectively connected to opposite ends of the gate line; and
each of the grounding resistors comprises a first grounding resistor and a second grounding resistor, the first grounding resistor is disposed on the first circuit board and connected to the first subsection of the corresponding clock signal line, and the second grounding resistor is disposed on the second circuit board and connected to the second subsection of the corresponding clock signal line.
7. The display device according to claim 6 , wherein the first grounding resistor and the second grounding resistor connected to a same clock signal line have a same value.
8. The display device according to claim 6 , wherein the first grounding resistor and the second grounding resistor connected to a same clock signal line have different values.
9. The display device according to claim 6 , wherein the clock signal line, RC circuits of the first grounding resistor and the second grounding resistor, and a RC circuit of a corresponding gate line constitute an electronic circuit.
10. A display device, comprising:
a circuit board configured to output clock signals, wherein any one of the initial clock signals is a signal with high levels and low levels that occur alternatively;
a display panel connected to the circuit board, and comprising a display area and a non-display area;
a plurality of clock signal lines configured to transmit the clock signals, wherein each of the clock signal lines extends from the circuit board to the non-display area of the display panel;
a plurality of grounding resistors disposed on the circuit board, wherein each of the grounding resistors is connected to a corresponding clock signal line, and is configured to reduce a voltage value of the high level of the clock signal;
a gate driver disposed in the non-display area of the display panel, connected to the clock signal lines, and configured to generate a gate signal according to the clock signal that the voltage value of the high level is reduced; and
a gate line disposed in the display area of the display panel, connected to the gate driver, and configured to transmit the gate signal;
wherein the display device comprises a M-th clock signal line, a (M−1)th clock signal line, and a (M−2)th clock signal line arranged in sequence; and
a value of a grounding resistor of the plurality of grounding resistors connected to the M-th clock signal line is R(M), a value of a grounding resistor of the plurality of grounding resistors connected to the (M−1)th clock signal line is R(M−1), and a value of a grounding resistor of the plurality of grounding resistors connected to the (M−2)th clock signal line is R(M−2), wherein R(M)<R(M−1)<R(M−2) or R(M)>R(M−1)>R(M−2).
11. The display device according to claim 10 , wherein the plurality of clock signal lines are arranged in sequence from the display area of the display panel toward the non-display area, and values of two of the grounding resistors connected to two of the clock signal lines are different.
12. The display device according to claim 10 , wherein the display device comprises a K-th clock signal line and a (K−1)th clock signal line which are adjacent to each other; and
a value of a grounding resistor of the plurality of grounding resistors connected to the K-th clock signal line is R(K), and a value of a grounding resistor of the plurality of grounding resistors connected to the (K−1)th clock signal line is R(K−1), wherein R(K)=R(K−1), and K≠M.
13. The display device according to claim 10 , further comprising a plurality of matching resistors disposed on the circuit board, wherein each of the matching resistors is connected to a corresponding clock signal line.
14. The display device according to claim 10 , wherein each of the clock signal lines comprises a first section and a second section connected to the first section, the first section is disposed on the circuit board, and the second section is disposed on the non-display area of the display panel, and each of the grounding resistors is connected to the first section of the corresponding clock signal line.
15. The display device according to claim 14 , wherein the circuit board comprises a first circuit board and a second circuit board;
the first section of the clock signal line comprises a first subsection and a second subsection, the first subsection is disposed on the first circuit board, and the second subsection is disposed on the second circuit board;
the second section of the clock signal line comprises a third subsection and a fourth subsection, which are respectively arranged on opposite sides of the display panel;
the gate driver comprises a first gate driver and a second gate driver, the first gate driver is connected to the third subsection, the second gate driver is connected to the fourth subsection, and the first gate driver and the second gate driver are respectively connected to opposite ends of the gate line; and
each of the grounding resistors comprises a first grounding resistor and a second grounding resistor, the first grounding resistor is disposed on the first circuit board and connected to the first subsection of the corresponding clock signal line, and the second grounding resistor is disposed on the second circuit board and connected to the second subsection of the corresponding clock signal line.
16. The display device according to claim 15 , wherein the first grounding resistor and the second grounding resistor connected to a same clock signal line have a same value.
17. The display device according to claim 15 , wherein the first grounding resistor and the second grounding resistor connected to a same clock signal line have different values.
18. The display device according to claim 15 , wherein the clock signal line, RC circuits of the first grounding resistor and the second grounding resistor, and a RC circuit of a corresponding gate line constitute an electronic circuit.