# US 11,116,079 B2 · High resolution display device

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- Number: US 11,116,079 B2
- Document ID: US11116079B2
- Status: Granted
- Kind: B2
- Application number: 16/860,906
- Filed: 2020-04-28
- Published: 2020-08-13
- Granted: 2021-09-07
- Earliest claimed: 2016-07-13
- Assignees: Samsung Display Co., Ltd.
- Applicants: Samsung Display Co., Ltd.
- Inventors: Byoung Yong Kim; Jong Hyuk Lee; Jeong Ho Hwang
- Web page: https://patentgrep.com/patent/US11116079B2

## CPC

- H05K 1/111: {Pads for surface mounting, e.g. lay-out}
- G02F 1/13452: {Conductors connecting driver circuitry and terminals of panels}
- G02F 1/13458: {Terminal pads}
- G09G 3/20: for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix {no fixed position being assigned to or needed to be assigned to the individual characters or partial characters}
- H05K 1/028: {Bending or folding regions of flexible printed circuits (H05K1/0283 takes precedence)}
- H05K 1/118: {specially for flexible printed circuits, e.g. using folded portions}
- H05K 1/144: {Stacked arrangements of planar printed circuit boards}
- H05K 1/147: {at least one of the printed circuits being bent or folded, e.g. by using a flexible printed circuit (H05K1/148 takes precedence)}
- H05K 1/181: associated with surface mounted components
- H10K 59/131: Interconnections, e.g. wiring lines or terminals
- H10P 95/00: Generic processes or apparatus for manufacture or treatments not covered by the other groups of this subclass
- G09G 2300/0426: Layout of electrodes and connections
- H05K 2201/041: Stacked PCBs, i.e. having neither an empty space nor mounted components in between
- H05K 2201/09409: Multiple rows of pads, lands, terminals or dummy patterns; Multiple rows of mounted components
- H05K 2201/09709: Staggered pads, lands or terminals; Parallel conductors in different planes
- H05K 2201/10128: Display
- H05K 2201/10136: Liquid Crystal display [LCD]
- H10D 86/441: {Interconnections, e.g. scanning lines}
- H10D 86/60: wherein the TFTs are in active matrices
- H10K 77/111: {Flexible substrates}
- H10K 2102/311: {Flexible OLED}
- H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- G02F: OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G09G: ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION (arrangements for transferring data between digital computers and displays G06F3/14; static indicating arrangements comprising an association of a number of separate sources or light control cells G09F9/00; static indicating arrangements comprising integral associations of a number of light sources H01J, H01K, H10H, H05B33/12; scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission, details thereof H04N1/00)
- H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10P: GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10D: INORGANIC ELECTRIC SEMICONDUCTOR DEVICES

## Abstract

A display device according to an exemplary embodiment includes: a substrate including a display region configured to display an image, and a pad region positioned around the display region; and a first pad unit positioned on the pad region, wherein the first pad unit includes a first terminal region including a plurality of first pad terminals arranged in a first pattern, and a second terminal region including a plurality of second pad terminals arranged in a second pattern different from the first pattern.

## Claims

### Claim 1

A display device comprising:
a substrate including a plurality of first pad terminals and a plurality of second pad terminals; and
a printed circuit board including a base film, a plurality of third pad terminals and a plurality of fourth pad terminals,
wherein the substrate further comprises:
each of the plurality of first pad terminals includes a first column sub-pad terminal, and a second column sub-pad terminal; and
each of the plurality of second pad terminals includes a pair of second sub-pad terminals,
wherein the printed circuit board further comprises:
each of the plurality of third pad terminals includes a third column sub-pad terminal, and a fourth column sub-pad terminal;
each of the plurality of fourth pad terminals includes a pair of fourth sub-pad terminals;
a first terminal wiring connected to the third column sub-pad terminal through a first contact hole formed in the base film; and
a second terminal wiring connected to one of the pair of fourth sub-pad terminals through a second contact hole formed in the based film,
wherein:
the first column sub-pad terminal is electrically connected to the third column sub-pad terminal,
the second column sub-pad terminal is electrically connected to the fourth column sub-pad terminal,
one pad terminal of the pair of second sub-pad terminals is electrically connected to one pad terminal of the pair of fourth sub-pad terminals, and
another pad terminal of the pair of second sub-pad terminals is electrically connected to another pad terminal of the pair of fourth sub-pad terminals, and
wherein:
the first contact hole overlaps the third column sub-pad terminal in a plan view, and
the second contact hole is disposed to be separated in the plan view.

### Claim 2 (depends on 1)

The display device of claim 1, wherein the substrate is divided into a display region and a peripheral area,
the display region is configured to display an image, and
the peripheral area includes a pad region where the plurality of first pad terminals and the plurality of second pad terminals are disposed.

### Claim 3 (depends on 2)

The display device of claim 2, wherein the substrate further comprises:
a plurality of data lines disposed in the display region, and
a plurality of power lines configured to supply a voltage to the display region.

### Claim 4 (depends on 3)

The display device of claim 3, wherein the plurality of first pad terminals are connected to respective ones of the plurality of data lines.

### Claim 5 (depends on 4)

The display device of claim 4, wherein the plurality of second pad terminals are respectively connected to the plurality of power lines.

### Claim 6 (depends on 5)

The display device of claim 5, wherein the plurality of power lines include at least one among a driving voltage line, a common power line, an initialization power line, and a gate line.

### Claim 7 (depends on 5)

The display device of claim 5, wherein the plurality of second pad terminals are divided and disposed at both sides of a first region where the plurality of first pad terminals are disposed.

### Claim 8 (depends on 7)

The display device of claim 7, wherein the plurality of second pad terminals of the both sides are disposed to be symmetric with respect to the first region.

### Claim 9 (depends on 2)

The display device of claim 2, wherein the plurality of first pad terminals are divided and disposed at both sides of a second region where the plurality of second pad terminals are disposed.

### Claim 10 (depends on 9)

The display device of claim 9, wherein the plurality of first pad terminals of the both sides are disposed to be symmetric with respect to the second region.

### Claim 11 (depends on 1)

The display device of claim 1, wherein
the printed circuit board further comprises a driving chip positioned at a first surface of the base film different from a second surface where the plurality of third pad terminals and the plurality of fourth pad terminals are disposed.

### Claim 12 (depends on 1)

The display device of claim 1, wherein the base film is flexible.

### Claim 13 (depends on 1)

The display device of claim 1, wherein the plurality of first pad terminals and the plurality of second pad terminals are arranged in different shapes.

### Claim 14 (depends on 13)

The display device of claim 13, wherein a plurality of first column sub-pad terminals are arranged substantially along a first line forming a first inclination angle with a first direction.

### Claim 15 (depends on 14)

The display device of claim 14, wherein a plurality of second column sub-pad terminals are arranged substantially along a second line forming a second inclination angle with the first line.

### Claim 16 (depends on 13)

The display device of claim 13, wherein the plurality of third pad terminals are arranged in a first corresponding shape to the plurality of first pad terminals, and
the plurality of fourth pad terminals are arranged in a second corresponding shape to the plurality of second pad terminals.

### Claim 17 (depends on 16)

The display device of claim 16, wherein a plurality of first column sub-pad terminals and a plurality of third column sub-pad terminals are arranged substantially along a first line forming a first inclination angle with a first direction.

### Claim 18 (depends on 17)

The display device of claim 17, wherein a plurality of second column sub-pad terminals and a plurality of fourth column sub-pad terminals are arranged substantially along a second line forming a second inclination angle with the first line.

### Claim 19 (depends on 18)

The display device of claim 18, wherein the pair of second sub-pad terminals and the pair of fourth sub-pad terminals are respectively arranged along a second direction perpendicular to the first direction.

### Claim 20 (depends on 1)

The display device of claim 1, wherein the substrate further comprises at least one first dummy pad terminal disposed between a pair of adjacent first column sub-pad terminals, and
wherein the printed circuit board further comprises at least one second dummy pad terminal disposed between a pair of adjacent second column sub-pad terminals.

### Claim 21 (depends on 20)

The display device of claim 20, wherein the pair of adjacent first column sub-pad terminals and the at least one first dummy pad terminal are arranged along a same line, and
the pair of adjacent second column sub-pad terminals and the at least one second dummy pad terminal are arranged along a same line.