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US 8,803,866 B2Granted
Display panel including test pad unit and flat panel display apparatus including the display panel
AssigneeSamsung Display Co., Ltd.
InventorHee-Kwon Lee
Life of this patent
Estimating the term…
Abstract
A display panel includes a display unit including a plurality of pixels, and a test pad unit having a plurality of pads configured to transmit a test signal to the display unit during a test period, the plurality of pads being disabled after the test period is completed, the test pad unit including a plurality of first pads that transmit the test signal, applied from outside during the test period, to the display unit, and a plurality of second pads and an auxiliary pad that disable the plurality of first pads when the test period is completed.
Claims22
A display panel, comprising:
- a display unit including a plurality of pixels;
- and
- a test pad unit having a plurality of pads configured to transmit a test signal to the display unit during a test period, the plurality of pads being disabled after the test period is completed, the test pad unit including:
- a plurality of first pads that transmit the test signal, applied from outside during the test period, to the display unit;
- and
- a plurality of second pads and an auxiliary pad that disable the plurality of first pads when the test period is completed.
3 more elements
A flat panel display apparatus, comprising:
- a display panel including:
- a display unit that includes a plurality of pixels;
- and
- a test pad unit configured to transmit a test signal to the display unit during a test period, the test pad unit having a plurality of pads that are disabled after the test period is completed;
- and
- a flexible circuit board including a lead terminal portion that is connected to the test pad unit, wherein:
- the test pad unit includes:
- first pads that transmit the test signal, applied from outside during the test period, to the display unit;
- and
- second pads and an auxiliary pad that disable the first pads when the test period is completed,
- the lead terminal portion applies a common disable voltage to the second pads and the auxiliary pad after the test period is completed, and
- the lead terminal portion includes:
- a main terminal portion that is connected to the second pads;
- and
- an auxiliary terminal portion that is connected to the auxiliary pad.
12 more elements
Dependencies are inferred from the claim text.