# US 8,570,761 B2 · Liquid crystal display module and liquid crystal panel > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 8,570,761 B2 - Document ID: US8570761B2 - Status: Granted - Kind: B2 - Application number: 13/318,342 - Filed: 2011-09-21 - Published: 2013-03-14 - Granted: 2013-10-29 - Earliest claimed: 2011-09-09 - Assignees: Shenzhen China Star Optoelectronics Technology Co., Ltd. - Applicants: JinJie Wang; Chenghung Chen - Inventors: JinJie Wang; Chenghung Chen - Web page: https://patentgrep.com/patent/US8570761B2 ## CPC - H05K 1/118: {specially for flexible printed circuits, e.g. using folded portions} - G02F 1/13452: {Conductors connecting driver circuitry and terminals of panels} - G02F 1/13458: {Terminal pads} - H05K 1/189: characterised by the use of flexible or folded printed circuits - H05K 2201/09709: Staggered pads, lands or terminals; Parallel conductors in different planes - H05K 2201/10136: Liquid Crystal display [LCD] - H05K 2203/166: Alignment or registration; Control of registration - 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 ## Abstract Disclosed is a liquid crystal display module comprising a display panel, and a plurality of panel lands is positioned on the display panel, and lengths of the panel lands extend along a straight direction of wire directions, and the module further comprise a flexible circuit board, and the flexible circuit board comprises a plurality of flexible circuit board lands, and the flexible circuit board lands are soldered with the panel lands one-to-one correspondingly. Two adjacent panel lands and corresponding flexible circuit board lands constitute a soldering unit, comprising a first panel land, a second panel land, a first flexible circuit board land corresponding to the first panel land and a second flexible circuit board land corresponding to the second panel land. The first panel land and the second panel land stagger transversely. The present invention also discloses a liquid crystal panel. ## Claims ### Claim 1 A liquid crystal display module comprising a display panel, and a plurality of panel lands is positioned on the display panel, and lengths of the panel lands extend along a straight direction of wire directions, and the liquid crystal display module further comprise a flexible circuit board, and the flexible circuit board comprises a plurality of flexible circuit board lands, and the flexible circuit board lands are soldered with the panel lands one-to-one correspondingly, characterized in that: two adjacent panel lands and corresponding flexible circuit board lands constitute a soldering unit, comprising a first panel land, a second panel land, a first flexible circuit board land corresponding to the first panel land and a second flexible circuit board land corresponding to the second panel land; wherein the first panel land and the second panel land stagger in a transverse direction perpendicular to the wire directions, and a width of the first panel land is smaller than a width of the second panel land; the first panel land and the first flexible circuit board land, the second panel land and the second flexible circuit board land are connected with conductive adhesive. ### Claim 2 (depends on 1) The liquid crystal display module of claim 1, characterized in that a width of the first flexible circuit board land is larger than a width of the second flexible circuit board land. ### Claim 3 (depends on 2) The liquid crystal display module of claim 2, characterized in that the width of the first panel land is equal to the width of the second flexible circuit board land; the width of the second panel land is equal to the width of the first flexible circuit board land. ### Claim 4 (depends on 3) The liquid crystal display module of claim 3, characterized in that a space between the first flexible circuit board land and the second flexible circuit board land in the transverse direction is zero or the first flexible circuit board land and the second panel land are overlapped in the straight direction. ### Claim 5 (depends on 1) The liquid crystal display module of claim 1, characterized in that, the first panel land comprises a first lower soldering section and a first upper soldering section; the module further comprises a first panel wire and a second panel wire, and the first lower soldering section is connected with the first panel wire, and the first upper soldering section is connected with the second panel wire; the second panel land comprises a second lower soldering section and a second upper soldering section; the module further comprises a third panel wire and a fourth panel wire, and the second lower soldering section is connected with the third panel wire, and the second upper soldering section is connected with the fourth panel wire; wherein the first panel wire and the third panel wire are positioned at the same side of the first panel land and the second panel land along the straight direction; and the first panel land and the fourth panel wire are located at the same side of the second panel land along the straight direction. ### Claim 6 (depends on 5) The liquid crystal display module of claim 5, characterized in that, each of the first lower soldering section, the second lower soldering section, the first panel wire and the third panel wire comprises a first metal layer, a first insulation layer, a second metal layer and a second insulation layer from bottom to top, and a metal oxide layer is coated on the second insulation layer, and the metal oxide layer stretches downward to the first metal layer, and the first metal layer and the second metal layer are connected via the metal oxide layer. ### Claim 7 (depends on 6) The liquid crystal display module of claim 6, characterized in that, each of the first upper soldering section, the second upper soldering section, the second panel wire and the fourth panel wire comprises the first metal layer, the first insulation layer and the second insulation layer from bottom to top. ### Claim 8 A liquid crystal display module comprising a display panel, and a plurality of panel lands is positioned on the display panel, and lengths of the panel lands extend along a straight direction of wire directions, and the module further comprise a flexible circuit board, and the flexible circuit board comprises a plurality of flexible circuit board lands, and the flexible circuit board lands are soldered with the panel lands one-to-one correspondingly, characterized in that: two adjacent panel lands and corresponding flexible circuit board lands constitute a soldering unit, comprising a first panel land, a second panel land, a first flexible circuit board land corresponding to the first panel land and a second flexible circuit board land corresponding to the second panel land; wherein the first panel land and the second panel land stagger in a transverse direction perpendicular to the wire directions. ### Claim 9 (depends on 8) The liquid crystal display module of claim 8, characterized in that a width of the first panel land is smaller than a width of the second panel land. ### Claim 10 (depends on 9) The liquid crystal display module of claim 9, characterized in that a width of the first flexible circuit board land is larger than a width of the second flexible circuit board land. ### Claim 11 (depends on 10) The liquid crystal display module of claim 10, characterized in that the width of the first panel land is equal to the width of the second flexible circuit board land; the width of the second panel land is equal to the width of the first flexible circuit board land. ### Claim 12 (depends on 11) The liquid crystal display module of claim 11, characterized in that a space between the first flexible circuit board land and the second flexible circuit board land in the transverse direction is zero or the first flexible circuit board land and the second panel land are overlapped in the straight direction. ### Claim 13 (depends on 8) The liquid crystal display module of claim 8, characterized in that the first panel land comprises a first lower soldering section and a first upper soldering section; the module further comprises a first panel wire and a second panel wire, and the first lower soldering section is connected with the first panel wire, and the first upper soldering section is connected with the second panel wire; the second panel land comprises a second lower soldering section and a second upper soldering section; the module further comprises a third panel wire and a fourth panel wire, and the second lower soldering section is connected with the third panel wire, and the second upper soldering section is connected with the fourth panel wire; wherein the first panel wire and the third panel wire are positioned at the same side of the first panel land and the second panel land along the straight direction; and the first panel land and the fourth panel wire are located at the same side of the second panel land along the straight direction. ### Claim 14 (depends on 13) The liquid crystal display module of claim 13, characterized in that each of the first lower soldering section, the second lower soldering section, the first panel wire and the third panel wire comprises a first metal layer, a first insulation layer, a second metal layer and a second insulation layer from bottom to top, and a metal oxide layer is coated on the second insulation layer, and the metal oxide layer stretches downward to the first metal layer, and the first metal layer and the second metal layer are connected via the metal oxide layer. ### Claim 15 (depends on 14) The liquid crystal display module of claim 14, characterized in that, each of the first upper soldering section, the second upper soldering section, the second panel wire and the fourth panel wire comprises the first metal layer, the first insulation layer and the second insulation layer from bottom to top. ### Claim 16 (depends on 8) The liquid crystal display module of claim 8, characterized in that, the first panel land and the first flexible circuit board land, the second panel land and the second flexible circuit board land are connected with conductive adhesive. ### Claim 17 A liquid crystal display panel comprising a plurality of panel lands positioned thereon, and lengths of the panel lands extend along a straight direction of wire directions, characterized in that: adjacent panel lands stagger in a transverse direction perpendicular to the wire directions.