# US 10,372,401 B2 · Display module and display device having the same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,372,401 B2 - Document ID: US10372401B2 - Status: Granted - Kind: B2 - Application number: 15/007,734 - Filed: 2016-01-27 - Published: 2016-08-11 - Granted: 2019-08-06 - Earliest claimed: 2015-02-09 - Assignees: Samsung Electronics Co., Ltd. - Applicants: Samsung Electronics Co., Ltd. - Inventors: Chang Won Ryu; Nguyen huu lam Vuong - Web page: https://patentgrep.com/patent/US10372401B2 ## CPC - G06F 1/1601: {Constructional details related to the housing of computer displays, e.g. of CRT monitors, of flat displays (constructional details related to flat displays integrated in a portable computer, e.g. laptop, handheld computer G06F1/1637; constructional details related to television receivers H04N5/64)} - G06F 3/1446: {display composed of modules, e.g. video walls} - G09F 9/3026: {Video wall, i.e. stackable semiconductor matrix display modules (video wall control systems G06F3/1446, G09G2300/026)} - G09G 3/30: using electroluminescent panels - G09G 2300/026: Video wall, i.e. juxtaposition of a plurality of screens to create a display screen of bigger dimensions - G09G 2330/02: Details of power systems and of start or stop of display operation - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - G09F: DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS - 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) ## Abstract Provided is a display module including: a cabinet; and a plurality of Light Emitting Diode (LED) panels arranged on the cabinet in an array, each LED panel of the plurality of LED panels having a plurality of LEDs, wherein the cabinet includes a plurality of level regulators configured to regulate level differences amongst the plurality of LED panels, and wherein the plurality of level regulators include first level regulators provided at respective corners of the plurality of LED panels. ## Claims ### Claim 1 A display module comprising: a cabinet; and a plurality of Light Emitting Diode (LED) panels arranged on the cabinet in an array, each LED panel of the plurality of LED panels having a plurality of LEDs, wherein the cabinet comprises a plurality of surface level regulators configured to regulate surface level differences of the plurality of LED panels, the surface level differences being measured in a direction perpendicular to a display surface of the display module, and wherein the plurality of surface level regulators comprise first surface level regulators provided at respective corners of the plurality of LED panels. ### Claim 2 (depends on 1) The display module of claim 1, wherein the plurality of surface level regulators further comprise second surface level regulators arranged between the first surface level regulators. ### Claim 3 (depends on 2) The display module of claim 2, wherein the second surface level regulators are arranged along respective edges of the plurality of LED panels. ### Claim 4 (depends on 2) The display module of claim 2, wherein the cabinet comprises a first plurality of fastening parts to fasten the plurality of LED panels to the cabinet, wherein the first plurality of fastening parts comprise first fastening parts configured to fasten the respective corners of the plurality of LED panels to the cabinet, and wherein the first surface level regulators are provided at the respective corners of the plurality of LED panels and adjacent to the respective first fastening parts. ### Claim 5 (depends on 4) The display module of claim 4, wherein the first plurality of fastening parts further comprise second fastening parts arranged between the first fastening parts, and wherein the second surface level regulators are provided adjacent to the respective second fastening parts. ### Claim 6 (depends on 5) The display module of claim 5, wherein the second fastening parts are arranged along respective edges of the plurality of LED panels. ### Claim 7 (depends on 1) The display module of claim 1, wherein each of the plurality of LED panels comprises a first plurality of combining parts configured to attach the plurality of LED panels to the cabinet, and wherein the plurality of surface level regulators are configured to press the LED panels at locations between the first plurality of combining parts and edges of the LED panels. ### Claim 8 (depends on 1) The display module of claim 1, wherein each of the plurality of LED panels comprises: an LED substrate on which a plurality of LEDs are provided; and a supporting member supporting the LED substrate, wherein the LED substrate comprises a second plurality of combining parts configured to fasten the LED substrate to the supporting member, wherein the supporting member comprises: a second plurality of fastening parts to fasten the LED substrate to the supporting member; and a third plurality of combining parts configured to fasten the supporting member to the cabinet, and wherein the plurality of surface level regulators are configured to press the LED panels at locations between the third plurality of combining parts and the second plurality of fastening parts of the supporting member. ### Claim 9 (depends on 1) The display module of claim 1, wherein the plurality of surface level regulators are configured to regulate inclination level in a thickness direction of the display module. ### Claim 10 (depends on 1) The display module of claim 1, wherein the cabinet comprises a base plate on which the LED panels are mounted, wherein the plurality of surface level regulators comprise: level regulation holes provided in the base plate; and level regulation bolts inserted into the level regulation holes, and wherein the level regulation bolts are configured to move via rotation through the level regulation hole to press the LED panels. ### Claim 11 (depends on 10) The display module of claim 10, wherein the level regulation bolts comprise non-head bolts. ### Claim 12 (depends on 1) The display module of claim 1, wherein each of the plurality of LED panels comprises a guide member configured to guide a mounting direction of the LED panel onto the cabinet. ### Claim 13 (depends on 12) The display module of claim 12, wherein the cabinet comprises guide grooves into which the guide members are inserted. ### Claim 14 (depends on 1) The display module of claim 1, wherein the cabinet comprises: a signal control board configured to control the plurality of LED panels; and a power supply device configured to supply power to the plurality of LED panels. ### Claim 15 (depends on 1) The display module of claim 1, wherein the cabinet comprises a handle. ### Claim 16 (depends on 1) The display module of claim 1, wherein the cabinet comprises at least one connection unit configured to connect another display module to the display module. ### Claim 17 A display module comprising: a cabinet having a base plate; a plurality of Light Emitting Diode (LED) panels provided on the base plate in first and second directions; and a plurality of surface level regulators provided on the base plate and configured to regulate surface level differences formed on borders amongst the plurality of LED panels, the surface level differences being measured in a direction perpendicular to a display surface of the display module, wherein the plurality of LED panels comprise a first LED panel, a second LED panel arranged in the first direction adjacent to the first LED panel, and a third LED panel arranged in the second direction adjacent to the first LED panel, and wherein the plurality of surface level regulators comprise a plurality of first surface level regulators and a plurality of second surface level regulators, the plurality of first surface level regulators are configured to regulate level difference formed on the borders amongst the first, the second and the third LED panels, and the plurality of second surface level regulators are configured to regulate level differences formed on the borders between the first and the second LED panels or between the first and the third LED panels. ### Claim 18 A display device comprising a plurality of display modules, wherein each of the plurality of display module comprises: a plurality of Light Emitting Diode (LED) panels, each of the plurality of LED panels comprising a plurality of LEDs; a cabinet on which the plurality of LED panels are mounted; and surface level regulators configured to regulate surface level differences amongst the plurality of LED panels, the surface level differences being measured in a direction perpendicular to a display surface of the display module, and wherein the plurality of display modules comprise: a first display module; and at least one second display module arranged in a first direction with respect to the first display module, and wherein each of the first and the second display modules comprises a first connection unit and the first and second display modules are connected in the first direction by the first connection units of the first and the second display modules. ### Claim 19 (depends on 18) The display device of claim 18, wherein the plurality of display modules further comprise at least one third display module arranged in a second direction with respect to the first display module, and wherein each of the first and the third display modules comprises a second connection unit and the first and the third display modules are connected in the second direction by the second connection units of the first and third display modules. ### Claim 20 (depends on 19) The display device of claim 19, wherein the first connection unit comprises: at least one first link arranged on a first side of each of the first and the second display modules, and at least one second link arranged on a second side opposite to the first side of each of the first and the second display modules, and wherein the at least one first link of the first display module is combined with the at least one second link of the second display module. ### Claim 21 (depends on 20) The display device of claim 20, wherein the second connection unit comprises: at least one third link arranged on a first side of each of the first and the third display modules; and at least one fourth link arranged on a second side opposite to the first side of each of the first and third display modules, and wherein the at least one third link of the first display module is combined with the at least one fourth link of the third display module. ### Claim 22 (depends on 21) The display device of claim 21, wherein each of the first and the third links comprises a link fastening member, wherein each of the second and fourth links comprises an insertion hole into which the fastening member is inserted, and wherein the plurality of display modules are fastened with one another by the insertion of the fastening members into the insertion holes. ### Claim 23 (depends on 18) The display device of claim 18, wherein each of the plurality of display modules comprises a signal control board configured to control the plurality of LED panels, and a main board configured to transmit image signals to the signal control board.