# US 2014/0153609 A1 · High and low temperature test equipment > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0153609 A1 - Document ID: US20140153609A1 - Status: Published application - Kind: A1 - Application number: 14/093,369 - Filed: 2013-11-29 - Published: 2014-06-05 - Earliest claimed: 2012-11-30 - Assignees: Boe Technology Group Co., Ltd.; Hefei Boe Optoelectronics Technology Co., Ltd. - Applicants: Hefei Boe Optoelectronics Technology Co., Ltd.; Boe Technology Group Co., Ltd. - Inventors: Yangkun Jing - Web page: https://patentgrep.com/patent/US20140153609A1 ## CPC - G01R 31/2817: {Environmental-, stress-, or burn-in tests (of IC's G01R31/2855; of individual semiconductors G01R31/2642; of other circuits G01R31/2849)} - G02F 1/1309: {Repairing; Testing} - G09G 3/006: {Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays (testing individual LED's G01R31/2635; testing lamps G01R31/44; testing of optical features of LCD displays G02F1/1309)} - G09G 3/36: using liquid crystals - G09G 2320/041: Temperature compensation - G01R: MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES (indicating correct tuning of resonant circuits H03J3/12) - 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) ## Abstract The invention relates to the technical field of LDC fabrication and specifically to a high and low temperature test equipment. The high and low temperature test equipment comprises a housing, and further comprises a partition disposed in the interior of the housing. The partition divides the interior of the housing into a plurality of chambers and is provided with a Peltier effect sheet. The Peltier effect sheet is used for, when it is powered-on, cooling at least one of the chambers and meanwhile heating at least one chamber other than the at least one of the chambers. The high and low temperature test equipment may cool and heat at the same time in an efficient, power conserving way and have uniform heating function. ## Claims ### Claim 1 A high and low temperature test equipment comprising a housing, characterized in that the equipment further comprises a partition disposed in the Interior of the housing, the partition dividing the interior of the housing into a plurality of chambers, and being provided with a Peltier effect sheet which is used for, when it is powered-on, cooling at least one of the chambers and meanwhile heating at least one chamber other than the at least one of the chambers. ### Claim 2 (depends on 1) The equipment of claim 1, wherein an air convection unit is disposed in each of the chambers. ### Claim 3 (depends on 1) The equipment of claim 1, wherein an air convection unit is disposed in chamber being heated. ### Claim 4 (depends on 2) The equipment of claim 2, wherein the air convection unit comprises an inlet, an outlet and a heat diffusing mechanism, wherein the inlet is used for accessing of external air into the chamber, the outlet is used for air exhausting from the chamber, and the heat diffusing mechanism is used for diffusing and circulating heat in the chamber through the air. ### Claim 5 (depends on 3) The equipment of claim 3, wherein the air convection unit comprises an inlet, an outlet and a heat diffusing mechanism, wherein the Inlet is used for accessing of external air into the chamber, the outlet is used for air exhausting from the chamber, and the heat diffusing mechanism is used for diffusing and circulating heat in the chamber through the air. ### Claim 6 (depends on 5) The equipment of the claim 5, wherein the inlet and the outlet are respectively disposed on a wall of the chamber, and the heat diffusing mechanism comprises a diffusion plate and a fan, the diffusion plate being disposed on a side of the partition and the vent direction of the fan being towards the diffusion plate. ### Claim 7 (depends on 6) The equipment of claim 6, wherein a grating plate parallel to and separated from the partition is further disposed in the chamber being heated, and the fan is disposed on a side of the grating plate that faces the partition; and the inlet is disposed on a chamber wall next to the partition and is positioned between the grating plate in the chamber being heated and the partition, and the outlet is disposed on a chamber wall opposite to the grating plate; or, both the inlet and the outlet are disposed on the partition and connected to a pipe leading to the exterior of the housing, with one outlet being disposed between two inlets. ### Claim 8 (depends on 7) The equipment of claim 7, wherein a filter grid is disposed in the chamber being heated, the filter grid being adjacent to the grating plate. ### Claim 9 (depends on 1) The equipment of claim 1, further comprises a control unit and a temperature acquiring unit, the temperature acquiring unit comprises a first temperature acquiring unit and a second temperature acquiring unit, the Peltier effect sheet is serially connected to a variable resistor, and the control unit is electrically connected to the first temperature acquiring unit, the second temperature acquiring unit and the variable resistor respectively, wherein, the first temperature acquiring unit is disposed in at least one chamber and adapted for acquiring a first temperature value in the chamber in real time, and outputting the acquired first temperature value to the control unit; the second temperature acquiring unit is disposed on the Peltier effect sheet and adapted for acquiring a second temperature value of one end of the Peltier effect sheet which is in the chamber in real time, and outputting the acquired second temperature value to the control unit; and the control unit determines whether the first temperature value is equal to a preset temperature value of the chamber and adjusts a resistance of the variable resistor according to the determination result to control a current so as to control the second temperature value. ### Claim 10 (depends on 9) The equipment of claim 9, wherein the control unit comprises a determining sub module for determining whether the first temperature value is equal to a preset temperature value of the chamber and a processing sub module for adjusting a resistance of the variable resistor according to the determination result to control a current so as to control the second temperature value. ### Claim 11 (depends on 7) The equipment of claim 7, wherein at least a part of the grating plate consists of sub grating plates arranged in an intersecting manner vertically and horizontally, the sub grating plate being provided with an opening control valve for adjusting opening of the sub grating plate, and wherein the Inlet is provided with an inlet valve and the outlet is provided with an outlet valve. ### Claim 12 (depends on 1) The equipment of claim 1, wherein the chambers are cooled or heated based on a current flow direction in the Peltier effect sheet. ### Claim 13 (depends on 1) The equipment of claim 1, wherein a plurality of notches for holding plate-like components are disposed in at least one of the chambers. ### Claim 14 (depends on 2) The equipment of claim 2, wherein a plurality of notches for holding plate-like components are disposed in at least one of the chambers. ### Claim 15 (depends on 3) The equipment of claim 3, wherein a plurality of notches for holding plate-like components are disposed in at least one of the chambers. ### Claim 16 (depends on 4) The equipment of claim 4, wherein a plurality of notches for holding plate-like components are disposed in at least one of the chambers. ### Claim 17 (depends on 5) The equipment of claim 5, wherein a plurality of notches for holding plate-like components are disposed in at least one of the chambers. ### Claim 18 (depends on 6) The equipment of claim 6, wherein a plurality of notches for holding plate-like components are disposed in at least one of the chambers. ### Claim 19 (depends on 7) The equipment of claim 7, wherein a plurality of notches for holding plate-like components are disposed in at least one of the chambers. ### Claim 20 (depends on 11) The equipment of claim 11, wherein a plurality of notches for holding plate-like components are disposed in at least one of the chambers.