THERMOCHROMIC LIQUID CRYSTAL TEMPERATURE INDICATOR
원문보기
IPC분류정보
국가/구분
United States(US) Patent
공개
국제특허분류(IPC7판)
G01K-011/16
G01K-001/08
출원번호
16515139
(2019-07-18)
공개번호
20190360874
(2019-11-28)
발명자
/ 주소
Diehn, Kevin K.
Cipriano, Bani H.
Ambrozy, Rel S.
출원인 / 주소
Prasidiux, LLC
인용정보
피인용 횟수 :
0인용 특허 :
0
초록▼
A new and useful thermochromic liquid crystal Indicator is disclosed that provides an indication of the temperature of the Object to which the Indicator is attached, and is an improvement over the existing art for at least the fact that the impact of ambient air circulating around the Indicator and
A new and useful thermochromic liquid crystal Indicator is disclosed that provides an indication of the temperature of the Object to which the Indicator is attached, and is an improvement over the existing art for at least the fact that the impact of ambient air circulating around the Indicator and circulating the Object is reduced by several means, such as i) the use of a novel cap or housing to isolate the liquid crystal Structure from ambient air and from touching or ii) using a novel liquid crystal formulation that reduces the reaction time of the thermochromic liquid crystal contained in the Indicator to changing temperatures conveyed by the ambient air. The new and useful liquid crystal Indicator can also employ either a template or a colored filter as a mask that narrows the colors and narrows the range of temperatures indicated by the Indicator. Further, the new and useful Indicator can also employ a new manner in which to indicate that a predetermined temperature or predetermined temperature range has been reached in that it eliminates the confusion arising from the use of multiple temperature indicating panels that were present in the prior art devices.
대표청구항▼
1-30. (canceled) 31. A temperature Indicator comprising: a liquid crystal structure including: a top layer;a backing layer;a single compartment positioned between said top layer and said backing layer containing temperature sensitive liquid crystals; anda mask comprised of a color filter positioned
1-30. (canceled) 31. A temperature Indicator comprising: a liquid crystal structure including: a top layer;a backing layer;a single compartment positioned between said top layer and said backing layer containing temperature sensitive liquid crystals; anda mask comprised of a color filter positioned on said top layer,wherein said mask includes at least a first mask portion and a second mask portion,wherein said first mask portion is semitransparent,wherein said first mask portion is configured to filter out at least a portion of at least a first color of light and allow at least a second color of light to pass through said first mask portion,wherein said semitransparent aspect of said first mask portion is configured to allow at least another portion of the first color of light to pass through said first mask portion and combine with at least the second color of light to form a third color,wherein said second mask portion is semitransparent,wherein said second mask portion is configured to filter out at least a portion of at least the first color of light and allow at least the second color of light to pass through said second mask portion,wherein said semitransparent aspect of said second mask portion is configured to allow at least another portion of the first color of light to pass through said first mask portion and combine with at least the second color of light to form a fourth color, andwherein the third color and the fourth color create a visible contrast. 32. The temperature Indicator of claim 31, wherein said top layer that is exposed to the ambient air possesses thermal insulative properties. 33. The temperature Indicator of claim 31, wherein said backing layer that is in thermal contact with the object being monitored possesses thermal conductive properties. 34. The temperature Indicator of claim 31, wherein said single liquid crystal compartment contains a dopant to retard the transition speed of said temperature sensitive liquid crystals. 35. The temperature Indicator of claim 31, wherein said mask is positioned on the upper side of said top layer. 36. The temperature Indicator of claim 31, wherein said single liquid crystal compartment contains a single liquid crystal formulation. 37. The temperature Indicator of claim 31, wherein said single liquid crystal compartment contains at least two liquid crystal formulations. 38. The temperature Indicator of claim 31, further comprising: a magnifying optic. 39. The temperature Indicator of claim 31, further comprising: a viewing angle film. 40. A temperature Indicator, comprising: a liquid crystal structure including: a top layer;a backing layer;a single compartment positioned between said top layer and said backing layer containing temperature sensitive liquid crystals; anda mask comprised of a color filter positioned on said top layer,wherein said mask includes at least a first mask portion and a second mask portion,wherein said first mask portion and said second mask portion are each configured to filter out at least a portion of at least a first color of light and allow at least a second color of light to pass through said first mask portion and said second mask, respectively, andwherein said first mask portion is further configured to allow at least another portion of at least the first color of light to pass through said first mask portion and combine with at least the second color of light to form a third color,wherein said second mask portion is further configured to allow at least another portion of at least the first color of light to pass through said second mask portion and combine with at least the second color of light to form a fourth color, andwherein the third color and the fourth color create a contrast of color between said first mask portion and said second mask portion. 41. The temperature Indicator of claim 40, wherein said top layer that is exposed to the ambient air possesses thermal insulative properties. 42. The temperature Indicator of claim 40, wherein said backing layer that is in thermal contact with the object being monitored possesses thermal conductive properties. 43. The temperature Indicator of claim 40, wherein said single liquid crystal compartment contains a dopant to retard the transition speed of said temperature sensitive liquid crystals. 44. The temperature Indicator of claim 40, wherein said mask is positioned on the upper side of said top layer. 45. The temperature Indicator of claim 40, wherein said first mask portion is a color filter and is configured to filter out: an amount of red wavelengths of light that are reflected by said temperature sensitive liquid crystals contained in said liquid crystal compartment so as to reduce a red color in a purple spectrum of a purple color range displayed by said temperature Indicator, thereby resulting in a reduction in a width of a color display range of said temperature Indicator, and an amount of blue wavelengths of light that are reflected by said temperature sensitive liquid crystals contained in said liquid crystal compartment so as to reduce a blue color in both a blue spectrum of a blue color range and the purple spectrum of the purple color range displayed by said temperature Indicator, thereby resulting in a reduction in the width of the color display range of said temperature Indicator; andwherein said second mask portion is a color filter and is further configured to: allow an amount of the red wavelengths that are reflected by said temperature sensitive liquid crystals contained in said liquid crystal compartment to pass through and be displayed by said temperature Indicator, wherein said red wavelengths that pass through said second mask portion are similar to said red wavelengths that are filtered out by said first mask portion thereby resulting in a contrast between said first mask portion, which blocks said amount of said red wavelengths, and said second mask portion, which allows said amount of said red wavelengths to be viewed by a user of the temperature Indicator, andfilter out an amount of said blue wavelengths that are reflected by said temperature sensitive liquid crystals contained in said liquid crystal compartment so as to reduce said blue color in both said blue spectrum of said blue color range and said purple spectrum of said purple color range of said temperature Indicator, thereby resulting in a reduction in said width of said color display range of said temperature Indicator. 46. The temperature Indicator of claim 40, wherein said single liquid crystal compartment contains a single liquid crystal formulation. 47. The temperature Indicator of claim 40, wherein said single liquid crystal compartment contains at least two liquid crystal formulations. 48. The temperature Indicator of claim 40, further comprising: a magnifying optic. 49. The temperature Indicator of claim 40, further comprising: a viewing angle film. 50. The temperature Indicator of claim 40, wherein a cap is positioned on top of and encases said liquid crystal structure. 51. The temperature Indicator of claim 40, wherein said liquid crystal structure is positioned inside a housing. 52. The temperature Indicator of claim 51, wherein said housing is further comprised of a disc in contact with and at least partially covering a top portion of said housing.
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