Display panel
First Claim
Patent Images
1. A display panel, comprising:
- a display unit including a plurality of pixels;
an inspection circuit configured to apply a first inspection voltage to the display unit based on a first control signal;
a pad portion electrically connected to the inspection circuit and configured to supply the first inspection voltage and the first control signal to the inspection circuit; and
at least one external inspection line electrically connected between the inspection circuit and the pad portion,wherein the external inspection line includes a plurality of transistors,wherein the transistors of the external inspection line include a first transistor and a second transistor,wherein the first transistor includes a first end electrically connected to a control terminal of the second transistor and a second end electrically connected to the pad portion, andwherein the second transistor includes a first end electrically connected to the inspection circuit and a second end electrically connected to the pad portion.
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Abstract
A display panel is disclosed. In one aspect, the display panel includes a display unit including a plurality of pixels, an inspection circuit configured to apply a first inspection voltage to the display unit based on a first control signal, a pad portion electrically connected to the inspection circuit and configured to supply the first inspection voltage and the first control signal to the inspection circuit, and at least one external inspection line electrically connected between the inspection circuit and the pad portion. The external inspection line includes a plurality of transistors.
2 Citations
19 Claims
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1. A display panel, comprising:
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a display unit including a plurality of pixels; an inspection circuit configured to apply a first inspection voltage to the display unit based on a first control signal; a pad portion electrically connected to the inspection circuit and configured to supply the first inspection voltage and the first control signal to the inspection circuit; and at least one external inspection line electrically connected between the inspection circuit and the pad portion, wherein the external inspection line includes a plurality of transistors, wherein the transistors of the external inspection line include a first transistor and a second transistor, wherein the first transistor includes a first end electrically connected to a control terminal of the second transistor and a second end electrically connected to the pad portion, and wherein the second transistor includes a first end electrically connected to the inspection circuit and a second end electrically connected to the pad portion.
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2. A display panel, comprising:
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a display unit including a plurality of pixels; an inspection circuit configured to apply a first inspection voltage to the display unit based on a first control signal; a pad portion electrically connected to the inspection circuit and configured to supply the first inspection voltage and the first control signal to the inspection circuit; and at least one external inspection line electrically connected between the inspection circuit and the pad portion, wherein the external inspection line includes a plurality of transistors, wherein the transistors of the external inspection line include N transistors, wherein an M-th transistor includes a first end electrically connected to the control terminal of an (M+1)-th transistor, a second end electrically connected to the pad portion, and a control terminal electrically connected to a first end of the (M−
1)-th transistor,wherein an N-th transistor includes a first end electrically connected to the inspection circuit, a second end electrically connected to the pad portion, and a control terminal electrically connected to a first end of the (N−
1)-th transistor, andwherein M and N are natural numbers, and wherein M is less than N and greater than 1. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10)
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11. A display panel, comprising:
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a display unit including a plurality of pixels; an inspection circuit configured to apply a first inspection voltage to the display unit; a pad portion electrically connected to the inspection circuit and configured to supply the first inspection voltage and a first control signal to the inspection circuit; and a plurality of external inspection lines electrically connected between the inspection circuit and the pad portion, wherein a first one and a second one of the plurality of external inspection lines are respectively formed on left and right sides of the display unit, wherein each of the plurality of external inspection lines includes a plurality of transistors, and wherein the plurality of the external inspection lines are configured to detect a crack on an edge of the display panel. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
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Specification