Display module and display apparatus
A display module ( 10 ) includes: a display panel ( 12 ) and a circuit board ( 14 ) coupled to the display panel ( 12 ). The display panel ( 12 ) includes a driving chip ( 122 ) and a display unit ( 124 ); and the circuit board ( 14 ) includes a first filter element ( 142 ), wherein the first filter element ( 142 ) is coupled to the driving chip ( 122 ) and the display unit ( 124 ), and a direct current signal output by the driving chip ( 122 ) is filtered by the first filter element ( 142 ) and then transmitted to the display unit ( 124 ). The present disclosure also provides a display apparatus ( 100 ).
1. A display module, comprising:
a display panel comprising a driving chip and a display unit; and
a circuit board coupled to the display panel and comprising a first filter element,
wherein the first filter element is coupled to the driving chip and the display unit, and a direct current signal output by the driving chip is filtered by the first filter element and then transmitted to the display unit,
the display panel comprises a flexible connection portion on which the display panel is bonded to the circuit board;
the flexible connection portion is coupled to the driving chip and the circuit board, and
wherein the flexible connection portion comprises:
a direct current output pin coupled to the driving chip and the first filter element; and
a direct current input pin coupled to the first filter element and the display unit.
2. The display module of claim 1 , wherein the direct current input pin and the direct current output pin are spaced apart from each other.
3. The display module of claim 1 , wherein the direct current output pin comprises a plurality of direct current output pins on two opposite sides of the flexible connection portion, respectively.
4. The display module of claim 1 , wherein
the display panel comprises a chip connection portion, and
the driving chip is coupled to the chip connection portion through an anisotropic conductive film.
5. The display module of claim 4 , wherein the chip connection portion comprises a chip input terminal coupled to the flexible connection portion.
6. The display module of claim 5 , wherein the chip input terminal is coupled to the direct current output pin.
7. The display module of claim 4 , wherein the chip connection portion comprises a chip output terminal coupled to the direct current output pin and the display unit.
8. The display module of claim 1 , wherein the first filter element comprises a low-pass filter circuit.
9. The display module of claim 8 , wherein
the first filter element comprises a load resistor and a filter capacitor coupled in parallel with the load resistor; and
the first filter element is coupled in series between the driving chip and the display unit.
10. The display module of claim 1 , wherein
the direct current signal comprises a plurality of direct current signals; and
the first filter element comprises a plurality of first filter elements in one-to-one correspondence with the plurality of direct current signals.
11. The display module of claim 1 , wherein
the display unit comprises display pixels, and the direct current signal comprises a high-level voltage signal; and
the high-level voltage signal is transmitted to the display unit to drive the display pixels to operate.
12. The display module of claim 1 , wherein
the display unit comprises display pixels, and the direct current signal comprises a low-level voltage signal; and
the low-level voltage signal is transmitted to the display unit to drive the display pixels to operate.
13. The display module of claim 1 , wherein
the display unit comprises display pixels, and the direct current signal comprises a reset voltage signal; and
the reset voltage signal is transmitted to the display unit to drive the display pixels to be reset.
14. The display module of claim 1 , wherein the driving chip comprises a second filter element therein and configured to output the direct current signal.
15. The display module of claim 1 , wherein the circuit board comprises at least one of a flexible circuit board and a printed circuit board.
16. A display apparatus, comprising a display module, wherein the display module comprises:
a display panel comprising a driving chip and a display unit; and
a circuit board coupled to the display panel and comprising a first filter element,
wherein the first filter element is coupled to the driving chip and the display unit, and a direct current signal output by the driving chip is filtered by the first filter element and then transmitted to the display unit,
the display panel comprises a flexible connection portion on which the display panel is bonded to the circuit board;
the flexible connection portion is coupled to the driving chip and the circuit board, and
wherein the flexible connection portion comprises:
a direct current output pin coupled to the driving chip and the first filter element; and
a direct current input pin coupled to the first filter element and the display unit.