Use of OLED technology in HVAC sensors

• US 8,314,716 B2
• Filed: 03/27/2009
• Issued: 11/20/2012
• Est. Priority Date: 03/27/2008
• Status: Active Grant

• Current Assignee: Siemens Industry Incorporated (Siemens AG)
• Original Assignee: Siemens Industry Incorporated (Siemens AG)
• Inventors: Cook, Matthew D., Disselkoen, Wesley, Kalore, Pankaj
• Primary Examiner(s): Lau, Hoi
• Application Number:
  US12/412,791
• Publication Number:
  US 20090251329A1
• Time in Patent Office: 1,334 Days
• Field of Search: 340/584, 340/521, 340/531, 340/585, 340/533, 340/632, 340/524, 374/101, 374/110, 374/116, 374/141, 374/149, 623/31, 624/26, 236/44.C, 236/49.3, 236/91.D, 236/94
• US Class Current: 340/815.45
• CPC Class Codes: G09F 9/33 being semiconductor devices, e.g. diodes

Abstract

An organic light emitting diode (OLED) display panel for a heating ventilation and air conditioning (HVAC) sensor used for building automation controls. The OLED display will transmit information to the building occupant relating to heating ventilation and air conditioning outputs.

Claims

1. A building control sensor system comprising:

a microcontroller configured to store and execute firmware instructions;

a MEMS sensing element coupled to the microcontroller, wherein the MEMS sensing element is configured to communicate at least one air condition to the microcontroller;

a self-emitting organic light-emitting diode (OLED) display coupled to the microcontroller, wherein the firmware instructions are programmed to control information displayed via the OLED display;

a set of cursor buttons coupled to the microcontroller, wherein the cursor buttons are configured to allow interaction with the firmware instructions executed by the microprocessor;

a testing service port coupled to the microcontroller, wherein the testing service port is configured to receive a custom key to change an operating mode of the executed firmware instructions;

a wired communication coupled to the microcontroller; and

a power supply configured to supply power to the microcontroller,

wherein the self-emitting OLED display is operable without a backlight.

2. The building control system of claim 1, wherein the OLED display screen further comprises a 96×

64 pixel display.

3. The building control system of claim 1, wherein the OLED display screen displays a graphic.

4. The building control system of claim 1, wherein the OLED display screen displays a text.

5. The building control system of claim 1, wherein the OLED display screen has a diagonal dimension of 1.0 inch.

6. The building control system of claim 1, wherein the OLED display screen is a monochrome yellow color.

20. The building control system of claim 1, wherein the OLED display is configured to display information whenever the microcontroller is powered by the power supply.

7. A display for a building control sensor system, comprising:

a printed circuit board having a plurality of data lines provided therein;

a microprocessor supported by the printed circuit board, wherein the microprocessor is configured to store and execute firmware instructions, and wherein a custom key is configured to change an operating mode of the executed firmware instructions;

an OLED module soldered directly to the printed circuit board and arranged in digital communication with the microprocessor, wherein the OLED module further comprises;

a self-emitting organic light-emitting diode (OLED) display configured to receive one or more control signals generated by the firmware executing on the microcontroller, wherein the control signals determine what is displayed,

wherein the self-emitting OLED display is operable without a backlight.

8. The display for a building control sensor system of claim 7, wherein the OLED display screen comprises a 96×

64 pixel display.

9. The display for a building control sensor system of claim 7, wherein the OLED display screen displays a graphic.

10. The display for a building control sensor system of claim 7, wherein the OLED display screen displays a text.

11. The display for a building control sensor system of claim 7, wherein the OLED display screen has a diagonal dimension of 1.0 inch.

12. The display for a building control sensor system of claim 7, wherein the OLED display screen is a monochrome yellow color.

13. A method to display information for a building control system, the method comprising:

providing a microcontroller, wherein the microcontroller is carried by a printed circuit board having a plurality of data lines;

coupling a MEMS sensing element to the microcontroller, wherein the MEMS sensing element is configured to communicate at least one air condition to the microcontroller;

providing a self-emitting organic light-emitting diode (OLED) display, wherein the OLED display is removably coupled to the printed circuit board via a connector and is in communication with the microcontroller;

receiving an input provided by at least one of a set of cursor buttons coupled to the microcontroller;

providing a testing service port coupled to the microcontroller, wherein the testing service port is configured to receive a custom key to change an operating mode;

providing a wired communication coupled to the microcontroller; and

providing a power supply,

wherein the self-emitting OLED display is operable without a backlight.

14. The method to display information for a building control system of claim 13, wherein the OLED display screen comprises a 96×

64 pixel display.

15. The method to display information for a building control system of claim 13, wherein the OLED display screen displays a graphic.

16. The method to display information for a building control system of claim 13, wherein the OLED display screen displays a text.

17. The method to display information for a building control system of claim 13, wherein the OLED display screen has a diagonal dimension of 1.0 inch.

18. The method to display information for a building control system of claim 13, wherein the OLED display screen is a monochrome yellow color.

19. A method to display information for a building control system, the method comprising:

powering up a building controller having a microprocessor with a power supply;

coupling a sensor element to self-emitting organic light-emitting diode (OLED) display via the microprocessor, wherein the sensor element and the OLED display communicate with the microprocessor;

communicating a request for system information to the microprocessor;

transmitting the system information, in response to the received request, from the building controller to the microcontroller;

processing the system information by microcontroller;

receiving a custom key to change an operating mode of the microprocessor;

transmitting an output to the OLED display; and

displaying the output on the OLED display,

wherein the OLED display is configured to display the output whenever the building controller is powered by the power supply.