US 12,218,148 B2Granted

Display module having glass substrate formed with side wirings and method for manufacturing same

AssigneeSamsung Electronics Co., Ltd.

InventorsJeongyun Kim, Hosuk Kang, Jinwoo Jung, Changjoon Lee, Tackmo Lee, Gyun Heo, Soonmin Hong

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Abstract

Provided is a display module including a glass substrate, a thin film transistor (TFT) layer provided on a front surface of the glass substrate, a driving circuit provided on a rear surface of the glass substrate and configured to drive the TFT layer, a plurality of light emitting diodes (LED) electrically connected to the TFT layer, a plurality of first connection pads provided at intervals in a portion of the front surface of the glass substrate and electrically connected to a TFT circuit provided in in the TFT layer, a plurality of second connection pads provided at intervals in a portion of the rear surface of the glass substrate and electrically connected to the driving circuit, and a plurality of side wirings extending from the lateral surface of the glass substrate to a portion of an insulating layer and extending to another portion of the insulating layer.

Claims20

Dependent claims

A display module comprising:

a glass substrate;
a thin film transistor (TFT) layer provided on a front surface of the glass substrate;
a driving circuit provided on a rear surface of the glass substrate, the driving circuit being configured to drive the TFT layer;
a plurality of light emitting diodes (LED) electrically connected to the TFT layer;
a plurality of first connection pads provided at intervals in a portion of the front surface of the glass substrate that is adjacent to a lateral surface of the glass substrate, the plurality of first connection pads being electrically connected to a TFT circuit provided in the TFT layer through a plurality of first wirings;
a plurality of second connection pads provided at intervals in a portion of the rear surface of the glass substrate adjacent to the lateral surface of the glass substrate, the plurality of second connection pads being electrically connected to the driving circuit through a plurality of second wirings;
and
a plurality of side wirings extending from the lateral surface of the glass substrate to a portion of an insulating layer by passing the first connection pads and extending to another portion of the insulating layer by passing the second connection pads,
wherein the first connection pads have an uneven portion.

6 more elements

A display module comprising:

a glass substrate;
a thin-film-transistor (TFT) layer provided on a front surface of the glass substrate;
a driving circuit provided on a rear surface of the glass substrate, the driving circuit being configured to drive the TFT layer;
light emitting diodes (LEDs) electrically connected to the TFT layer;
first connection pads electrically connected to a TFT circuit provided on the TFT layer provided on a portion of the front surface of the glass substrate that is adjacent to a lateral surface of the glass substrate;
second connection pads electrically connected to the driving circuit provided on a portion of the rear surface of the glass substrate adjacent to the lateral surface of the glass substrate;
side wirings provided on the first connection pads and the second connection pads, the side wirings being configured to electrically connect the first connection pads and the second connection pads;
a first insulating layer provided on the front surface of the glass substrate;
and
a second insulating layer provided on the rear surface of the glass substrate,
wherein the side wirings extend to a portion of the first insulating layer or a portion of the second insulating layer, and
wherein the first connection pads or the second connection pads have an uneven portion.

9 more elements

Dependencies are inferred from the claim text.

Facts

Application: 17/512,126Filed 27 Oct 2021 · continuation
Priority: KR 10-2020-00548788 May 2020
Published: US 2022/0052080 A117 Feb 2022
Granted: 4 Feb 2025
Term ends: Not estimatedThe source records don’t support an estimate.

Classification11 codes

H10D 86/60
Characterised by multiple TFTs: wherein the TFTs are in active matrices
H10D 86/0212
Of multiple TFTs: comprising manufacture, treatment or coating of substrates
H10D 86/441
Characterised by multiple TFTs: interconnections, e.g. scanning lines
H10H 29/10
Integrated devices, or assemblies of multiple devices, comprising at least one light-emitting semiconductor element covered by group H10H20/00:…

Family

PCT/KR2021/005551Parent of this continuation · filed 3 May 2021
US 2022/0052080 A1Pre-grant publication · published 17 Feb 2022
US 12,218,148 B2This patent

From the US filing history. Foreign family members aren’t listed.

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